20331323111010 has 32 divisors (see below), whose sum is σ = 49146219904320. Its totient is φ = 5382681225408.

The previous prime is 20331323110991. The next prime is 20331323111027. The reversal of 20331323111010 is 1011132313302.

It is a happy 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, 2437804357 + ... + 2437812696.

It is an arithmetic number, because the mean of its divisors is an integer number (1535819372010).

Almost surely, 2^{20331323111010} is an apocalyptic number.

20331323111010 is an abundant number, since it is smaller than the sum of its proper divisors (28814896793310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20331323111010 is a wasteful number, since it uses less digits than its factorization.

20331323111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875617202.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20331323111010 its reverse (1011132313302), we get a palindrome (21342455424312).

The spelling of 20331323111010 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred eleven thousand, ten".