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10202211101020 = 2251422135870231
BaseRepresentation
bin1001010001110110001100…
…1010110010100101011100
31100010022200122002111201011
42110131203022302211130
52314123112020213040
633410455302425004
72102041205344051
oct224354312624534
940108618074634
1010202211101020
113283808217134
12118930ba32164
135900ab594aa3
14273b0ab3b028
1512a5b25783ea
hex947632b295c

10202211101020 has 24 divisors (see below), whose sum is σ = 21426150459168. Its totient is φ = 4080597364800.

The previous prime is 10202211100987. The next prime is 10202211101021. The reversal of 10202211101020 is 2010111220201.

It is a super-2 number, since 2×102022111010202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202211101021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17650696 + ... + 18219535.

It is an arithmetic number, because the mean of its divisors is an integer number (892756269132).

Almost surely, 210202211101020 is an apocalyptic number.

10202211101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202211101020 is an abundant number, since it is smaller than the sum of its proper divisors (11223939358148).

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

10202211101020 is a wasteful number, since it uses less digits than its factorization.

10202211101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35884461 (or 35884459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10202211101020 its reverse (2010111220201), we get a palindrome (12212322321221).

The spelling of 10202211101020 in words is "ten trillion, two hundred two billion, two hundred eleven million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 14221 28442 56884 71105 142210 284420 35870231 71740462 143480924 179351155 358702310 717404620 510110555051 1020221110102 2040442220204 2550552775255 5101105550510 10202211101020