20301020311020 has 48 divisors (see below), whose sum is σ = 56917551948768. Its totient is φ = 5406491599360.

The previous prime is 20301020311007. The next prime is 20301020311079. The reversal of 20301020311020 is 2011302010302.

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

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, 222260739 + ... + 222352058.

It is an arithmetic number, because the mean of its divisors is an integer number (1185782332266).

Almost surely, 2^{20301020311020} is an apocalyptic number.

20301020311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301020311020 is an abundant number, since it is smaller than the sum of its proper divisors (36616531637748).

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

20301020311020 is a wasteful number, since it uses less digits than its factorization.

20301020311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444613570 (or 444613568 counting only the distinct ones).

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

Adding to 20301020311020 its reverse (2011302010302), we get a palindrome (22312322321322).

The spelling of 20301020311020 in words is "twenty trillion, three hundred one billion, twenty million, three hundred eleven thousand, twenty".