20311164034 has 64 divisors (see below), whose sum is σ = 35866333440. Its totient is φ = 8447788800.

The previous prime is 20311164017. The next prime is 20311164061. The reversal of 20311164034 is 43046111302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25484124 + ... + 25484920.

It is an arithmetic number, because the mean of its divisors is an integer number (560411460).

Almost surely, 2^20311164034 is an apocalyptic number.

20311164034 is a deficient number, since it is larger than the sum of its proper divisors (15555169406).

20311164034 is a wasteful number, since it uses less digits than its factorization.

20311164034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20311164034 its reverse (43046111302), we get a palindrome (63357275336).

The spelling of 20311164034 in words is "twenty billion, three hundred eleven million, one hundred sixty-four thousand, thirty-four".