20000311103020 has 48 divisors (see below), whose sum is σ = 42747229324800. Its totient is φ = 7858139808960.

The previous prime is 20000311103009. The next prime is 20000311103027. The reversal of 20000311103020 is 2030111300002.

It is not an unprimeable number, because it can be changed into a prime (20000311103027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5431830 + ... + 8336989.

It is an arithmetic number, because the mean of its divisors is an integer number (890567277600).

Almost surely, 2^{20000311103020} is an apocalyptic number.

20000311103020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000311103020 is an abundant number, since it is smaller than the sum of its proper divisors (22746918221780).

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

20000311103020 is a wasteful number, since it uses less digits than its factorization.

20000311103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13770118 (or 13770116 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20000311103020 its reverse (2030111300002), we get a palindrome (22030422403022).

The spelling of 20000311103020 in words is "twenty trillion, three hundred eleven million, one hundred three thousand, twenty".