20254656346 has 16 divisors (see below), whose sum is σ = 30424799808. Its totient is φ = 10113069600.

The previous prime is 20254656319. The next prime is 20254656361. The reversal of 20254656346 is 64365645202.

It is a super-2 number, since 2×20254656346² (a number of 21 digits) contains 22 as substring.

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, 7469931 + ... + 7472641.

It is an arithmetic number, because the mean of its divisors is an integer number (1901549988).

Almost surely, 2^20254656346 is an apocalyptic number.

20254656346 is a deficient number, since it is larger than the sum of its proper divisors (10170143462).

20254656346 is a wasteful number, since it uses less digits than its factorization.

20254656346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 20254656346 in words is "twenty billion, two hundred fifty-four million, six hundred fifty-six thousand, three hundred forty-six".