20311032110 has 32 divisors (see below), whose sum is σ = 38843763840. Its totient is φ = 7624871712.

The previous prime is 20311032109. The next prime is 20311032121. The reversal of 20311032110 is 1123011302.

It is a congruent number.

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, 479204 + ... + 519863.

It is an arithmetic number, because the mean of its divisors is an integer number (1213867620).

Almost surely, 2^20311032110 is an apocalyptic number.

20311032110 is a deficient number, since it is larger than the sum of its proper divisors (18532731730).

20311032110 is a wasteful number, since it uses less digits than its factorization.

20311032110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999200.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20311032110 its reverse (1123011302), we get a palindrome (21434043412).

The spelling of 20311032110 in words is "twenty billion, three hundred eleven million, thirty-two thousand, one hundred ten".