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20200674772 = 2220392476787
BaseRepresentation
bin10010110100000011…
…011101010111010100
31221010211010121021201
4102310003131113110
5312332333043042
613140254322244
71313406621355
oct226403352724
957124117251
1020200674772
118626832a43
123ab91b9384
131b9c13a0c5
14d98c01d2c
157d36aa1b7
hex4b40dd5d4

20200674772 has 12 divisors (see below), whose sum is σ = 35368532640. Its totient is φ = 10095379736.

The previous prime is 20200674757. The next prime is 20200674787. The reversal of 20200674772 is 27747600202.

It is an interprime number because it is at equal distance from previous prime (20200674757) and next prime (20200674787).

It is a super-2 number, since 2×202006747722 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230238 + ... + 1246549.

It is an arithmetic number, because the mean of its divisors is an integer number (2947377720).

Almost surely, 220200674772 is an apocalyptic number.

It is an amenable number.

20200674772 is a deficient number, since it is larger than the sum of its proper divisors (15167857868).

20200674772 is a wasteful number, since it uses less digits than its factorization.

20200674772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478830 (or 2478828 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

The spelling of 20200674772 in words is "twenty billion, two hundred million, six hundred seventy-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 2039 4078 8156 2476787 4953574 9907148 5050168693 10100337386 20200674772