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20332840948 = 2273532057147
BaseRepresentation
bin10010111011111011…
…101000011111110100
31221111000211100012021
4102323323220133310
5313120201402243
613201335202524
71316603203450
oct227373503764
957430740167
1020332840948
1186943a4392
123b35516444
131bc0633844
14dac5a7660
157e00b56ed
hex4bbee87f4

20332840948 has 24 divisors (see below), whose sum is σ = 40780901952. Its totient is φ = 8689384704.

The previous prime is 20332840901. The next prime is 20332840951. The reversal of 20332840948 is 84904823302.

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, 1018690 + ... + 1038457.

It is an arithmetic number, because the mean of its divisors is an integer number (1699204248).

Almost surely, 220332840948 is an apocalyptic number.

20332840948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20332840948 is an abundant number, since it is smaller than the sum of its proper divisors (20448061004).

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

20332840948 is a wasteful number, since it uses less digits than its factorization.

20332840948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057511 (or 2057509 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 20332840948 in words is "twenty billion, three hundred thirty-two million, eight hundred forty thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 353 706 1412 2471 4942 9884 2057147 4114294 8228588 14400029 28800058 57600116 726172891 1452345782 2904691564 5083210237 10166420474 20332840948