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20212202231000 = 2353131554784787
BaseRepresentation
bin1001001100010000001010…
…01000100101010011011000
32122120021020010101202021122
410212020011020211103120
510122124042232343000
6110553205120224412
74154166133151243
oct446100510452330
978507203352248
1020212202231000
116492a46256a6a
12232531576b108
13b38005623330
144dc3c0b6025a
15250b746c6085
hex1262052254d8

20212202231000 has 64 divisors (see below), whose sum is σ = 50934749654880. Its totient is φ = 7462966972800.

The previous prime is 20212202230951. The next prime is 20212202231047. The reversal of 20212202231000 is 13220221202.

It is a super-2 number, since 2×202122022310002 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20212202231000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777379394 + ... + 777405393.

Almost surely, 220212202231000 is an apocalyptic number.

20212202231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212202231000 is an abundant number, since it is smaller than the sum of its proper divisors (30722547423880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212202231000 is a wasteful number, since it uses less digits than its factorization.

20212202231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554784821 (or 1554784807 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20212202231000 its reverse (13220221202), we get a palindrome (20225422452202).

The spelling of 20212202231000 in words is "twenty trillion, two hundred twelve billion, two hundred two million, two hundred thirty-one thousand".

Divisors: 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 125 130 200 250 260 325 500 520 650 1000 1300 1625 2600 3250 6500 13000 1554784787 3109569574 6219139148 7773923935 12438278296 15547847870 20212202231 31095695740 38869619675 40424404462 62191391480 77739239350 80848808924 101061011155 155478478700 161697617848 194348098375 202122022310 310956957400 388696196750 404244044620 505305055775 777392393500 808488089240 1010610111550 1554784787000 2021220223100 2526525278875 4042440446200 5053050557750 10106101115500 20212202231000