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20762022940 = 2251038101147
BaseRepresentation
bin10011010101100000…
…110101010000011100
31222120221102001012121
4103111200311100130
5320010034213230
613312110112324
71333334166061
oct232540652034
958527361177
1020762022940
11889469114a
1240351ab6a4
131c5b521999
14100d5a6c68
15817ae077a
hex4d583541c

20762022940 has 12 divisors (see below), whose sum is σ = 43600248216. Its totient is φ = 8304809168.

The previous prime is 20762022907. The next prime is 20762022979. The reversal of 20762022940 is 4922026702.

It is a super-2 number, since 2×207620229402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20762022896 and 20762022905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519050554 + ... + 519050593.

It is an arithmetic number, because the mean of its divisors is an integer number (3633354018).

Almost surely, 220762022940 is an apocalyptic number.

20762022940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20762022940 is an abundant number, since it is smaller than the sum of its proper divisors (22838225276).

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

20762022940 is a wasteful number, since it uses less digits than its factorization.

20762022940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038101156 (or 1038101154 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 20762022940 in words is "twenty billion, seven hundred sixty-two million, twenty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1038101147 2076202294 4152404588 5190505735 10381011470 20762022940