20177013146 has 32 divisors (see below), whose sum is σ = 31540320000. Its totient is φ = 9668881152.

The previous prime is 20177013089. The next prime is 20177013151. The reversal of 20177013146 is 64131077102.

It is a super-2 number, since 2×20177013146² (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 15 ways as a sum of consecutive naturals, for example, 13549970 + ... + 13551458.

It is an arithmetic number, because the mean of its divisors is an integer number (985635000).

Almost surely, 2^20177013146 is an apocalyptic number.

20177013146 is a deficient number, since it is larger than the sum of its proper divisors (11363306854).

20177013146 is a wasteful number, since it uses less digits than its factorization.

20177013146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 20177013146 in words is "twenty billion, one hundred seventy-seven million, thirteen thousand, one hundred forty-six".