20120011022020 has 48 divisors (see below), whose sum is σ = 52002490030848. Its totient is φ = 6367651839360.

The previous prime is 20120011021987. The next prime is 20120011022087. The reversal of 20120011022020 is 2022011002102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5527473736 + ... + 5527477375.

It is an arithmetic number, because the mean of its divisors is an integer number (1083385208976).

Almost surely, 2^{20120011022020} is an apocalyptic number.

20120011022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120011022020 is an abundant number, since it is smaller than the sum of its proper divisors (31882479008828).

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

20120011022020 is a wasteful number, since it uses less digits than its factorization.

20120011022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054951140 (or 11054951138 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20120011022020 its reverse (2022011002102), we get a palindrome (22142022024122).

The spelling of 20120011022020 in words is "twenty trillion, one hundred twenty billion, eleven million, twenty-two thousand, twenty".