20013031010 has 64 divisors (see below), whose sum is σ = 42342773760. Its totient is φ = 6666624000.

The previous prime is 20013030977. The next prime is 20013031039. The reversal of 20013031010 is 1013031002.

It is a junction number, because it is equal to n+sod(n) for n = 20013030982 and 20013031000.

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, 1939946 + ... + 1950234.

It is an arithmetic number, because the mean of its divisors is an integer number (661605840).

Almost surely, 2^20013031010 is an apocalyptic number.

20013031010 is an abundant number, since it is smaller than the sum of its proper divisors (22329742750).

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

20013031010 is a wasteful number, since it uses less digits than its factorization.

20013031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20013031010 its reverse (1013031002), we get a palindrome (21026062012).

The spelling of 20013031010 in words is "twenty billion, thirteen million, thirty-one thousand, ten".