22021204142020 has 24 divisors (see below), whose sum is σ = 46550783861568. Its totient is φ = 8750147340000.

The previous prime is 22021204141991. The next prime is 22021204142059. The reversal of 22021204142020 is 2024140212022.

It is a junction number, because it is equal to n+sod(n) for n = 22021204141982 and 22021204142000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3645891706 + ... + 3645897745.

It is an arithmetic number, because the mean of its divisors is an integer number (1939615994232).

Almost surely, 2^{22021204142020} is an apocalyptic number.

22021204142020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021204142020 is an abundant number, since it is smaller than the sum of its proper divisors (24529579719548).

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

22021204142020 is a wasteful number, since it uses less digits than its factorization.

22021204142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291789611 (or 7291789609 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22021204142020 its reverse (2024140212022), we get a palindrome (24045344354042).

The spelling of 22021204142020 in words is "twenty-two trillion, twenty-one billion, two hundred four million, one hundred forty-two thousand, twenty".