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20772375201 = 3261271139619
BaseRepresentation
bin10011010110001000…
…010100101010100001
31222121122212222211200
4103112020110222201
5320020212001301
613313120031413
71333521163434
oct232610245241
958548788750
1020772375201
11889a511a36
124038762569
131c60707996
141010add81b
15818987c86
hex4d6214aa1

20772375201 has 24 divisors (see below), whose sum is σ = 30609171840. Its totient is φ = 13570869600.

The previous prime is 20772375187. The next prime is 20772375203. The reversal of 20772375201 is 10257327702.

It is not a de Polignac number, because 20772375201 - 26 = 20772375137 is a prime.

It is a super-2 number, since 2×207723752012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20772375203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78970 + ... + 218588.

It is an arithmetic number, because the mean of its divisors is an integer number (1275382160).

Almost surely, 220772375201 is an apocalyptic number.

It is an amenable number.

20772375201 is a deficient number, since it is larger than the sum of its proper divisors (9836796639).

20772375201 is a wasteful number, since it uses less digits than its factorization.

20772375201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139957 (or 139954 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The spelling of 20772375201 in words is "twenty billion, seven hundred seventy-two million, three hundred seventy-five thousand, two hundred one".

Divisors: 1 3 9 61 183 271 549 813 2439 16531 49593 139619 148779 418857 1256571 8516759 25550277 37836749 76650831 113510247 340530741 2308041689 6924125067 20772375201