22001202012020 has 192 divisors, whose sum is σ = 59975458324992. Its totient is φ = 6580583424000.

The previous prime is 22001202012019. The next prime is 22001202012037. The reversal of 22001202012020 is 2021020210022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22001202011986 and 22001202012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 995384 + ... + 6707696.

It is an arithmetic number, because the mean of its divisors is an integer number (312372178776).

Almost surely, 2^{22001202012020} is an apocalyptic number.

22001202012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22001202012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29987729162496).

22001202012020 is an abundant number, since it is smaller than the sum of its proper divisors (37974256312972).

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

22001202012020 is a wasteful number, since it uses less digits than its factorization.

22001202012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712442 (or 5712440 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22001202012020 its reverse (2021020210022), we get a palindrome (24022222222042).

The spelling of 22001202012020 in words is "twenty-two trillion, one billion, two hundred two million, twelve thousand, twenty".