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202211012020 = 22523942303559
BaseRepresentation
bin1011110001010010110…
…1110010110110110100
3201022221102200201210111
42330110231302312310
511303112004341040
6232521111432404
720415656146123
oct2742455626664
9638842621714
10202211012020
1178836932266
1233234085704
13160b7407c04
149b039c7aba
1553d7618dea
hex2f14b72db4

202211012020 has 24 divisors (see below), whose sum is σ = 426419884800. Its totient is φ = 80545974432.

The previous prime is 202211011997. The next prime is 202211012053. The reversal of 202211012020 is 20210112202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21147000 + ... + 21156559.

It is an arithmetic number, because the mean of its divisors is an integer number (17767495200).

Almost surely, 2202211012020 is an apocalyptic number.

202211012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202211012020 is an abundant number, since it is smaller than the sum of its proper divisors (224208872780).

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

202211012020 is a wasteful number, since it uses less digits than its factorization.

202211012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42303807 (or 42303805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202211012020 its reverse (20210112202), we get a palindrome (222421124222).

The spelling of 202211012020 in words is "two hundred two billion, two hundred eleven million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4780 42303559 84607118 169214236 211517795 423035590 846071180 10110550601 20221101202 40442202404 50552753005 101105506010 202211012020