20583151772 has 12 divisors (see below), whose sum is σ = 36899065056. Its totient is φ = 10040561760.

The previous prime is 20583151751. The next prime is 20583151783. The reversal of 20583151772 is 27715138502.

It is a super-2 number, since 2×20583151772² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62753348 + ... + 62753675.

It is an arithmetic number, because the mean of its divisors is an integer number (3074922088).

Almost surely, 2^20583151772 is an apocalyptic number.

It is an amenable number.

20583151772 is a deficient number, since it is larger than the sum of its proper divisors (16315913284).

20583151772 is a wasteful number, since it uses less digits than its factorization.

20583151772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125507068 (or 125507066 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 20583151772 in words is "twenty billion, five hundred eighty-three million, one hundred fifty-one thousand, seven hundred seventy-two".