1020222112020 has 48 divisors (see below), whose sum is σ = 2856677445888. Its totient is φ = 272053941120.

The previous prime is 1020222112003. The next prime is 1020222112033. The reversal of 1020222112020 is 202112220201.

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

It is a congruent number.

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, 3690210 + ... + 3957030.

It is an arithmetic number, because the mean of its divisors is an integer number (59514113456).

Almost surely, 2^{1020222112020} is an apocalyptic number.

1020222112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020222112020 is an abundant number, since it is smaller than the sum of its proper divisors (1836455333868).

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

1020222112020 is a wasteful number, since it uses less digits than its factorization.

1020222112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330560 (or 330558 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1020222112020 its reverse (202112220201), we get a palindrome (1222334332221).

The spelling of 1020222112020 in words is "one trillion, twenty billion, two hundred twenty-two million, one hundred twelve thousand, twenty".