22021202011020 has 48 divisors (see below), whose sum is σ = 61666717066080. Its totient is φ = 5871620399616.

The previous prime is 22021202010967. The next prime is 22021202011057. The reversal of 22021202011020 is 2011020212022.

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, 21371737 + ... + 22378416.

It is an arithmetic number, because the mean of its divisors is an integer number (1284723272210).

Almost surely, 2^{22021202011020} is an apocalyptic number.

22021202011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021202011020 is an abundant number, since it is smaller than the sum of its proper divisors (39645515055060).

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

22021202011020 is a wasteful number, since it uses less digits than its factorization.

22021202011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43758554 (or 43758552 counting only the distinct ones).

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

Adding to 22021202011020 its reverse (2011020212022), we get a palindrome (24032222223042).

The spelling of 22021202011020 in words is "twenty-two trillion, twenty-one billion, two hundred two million, eleven thousand, twenty".