22021011120020 has 96 divisors (see below), whose sum is σ = 52077393027072. Its totient is φ = 7749046800000.

The previous prime is 22021011120007. The next prime is 22021011120023. The reversal of 22021011120020 is 2002111012022.

It is a junction number, because it is equal to n+sod(n) for n = 22021011119977 and 22021011120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021011120023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296298665 + ... + 296372975.

It is an arithmetic number, because the mean of its divisors is an integer number (542472844032).

Almost surely, 2^{22021011120020} is an apocalyptic number.

22021011120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021011120020 is an abundant number, since it is smaller than the sum of its proper divisors (30056381907052).

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

22021011120020 is a wasteful number, since it uses less digits than its factorization.

22021011120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117813 (or 117811 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22021011120020 its reverse (2002111012022), we get a palindrome (24023122132042).

The spelling of 22021011120020 in words is "twenty-two trillion, twenty-one billion, eleven million, one hundred twenty thousand, twenty".