20020012031310 has 16 divisors (see below), whose sum is σ = 48048028875216. Its totient is φ = 5338669875008.

The previous prime is 20020012031309. The next prime is 20020012031423. The reversal of 20020012031310 is 1313021002002.

It is a super-2 number, since 2×20020012031310² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20020012031310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333666867159 + ... + 333666867218.

It is an arithmetic number, because the mean of its divisors is an integer number (3003001804701).

Almost surely, 2^{20020012031310} is an apocalyptic number.

20020012031310 is an abundant number, since it is smaller than the sum of its proper divisors (28028016843906).

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

20020012031310 is a wasteful number, since it uses less digits than its factorization.

20020012031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667333734387.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20020012031310 its reverse (1313021002002), we get a palindrome (21333033033312).

The spelling of 20020012031310 in words is "twenty trillion, twenty billion, twelve million, thirty-one thousand, three hundred ten".