22020122021000 has 64 divisors (see below), whose sum is σ = 52919709551280. Its totient is φ = 8569993420800.

The previous prime is 22020122020969. The next prime is 22020122021087. The reversal of 22020122021000 is 12022102022.

It can be written as a sum of positive squares in 8 ways, for example, as 3126651478756 + 18893470542244 = 1768234^2 + 4346662^2 .

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, 297532217 + ... + 297606216.

Almost surely, 2^{22020122021000} is an apocalyptic number.

22020122021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020122021000 is an abundant number, since it is smaller than the sum of its proper divisors (30899587530280).

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

22020122021000 is a wasteful number, since it uses less digits than its factorization.

22020122021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595138491 (or 595138477 counting only the distinct ones).

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

Adding to 22020122021000 its reverse (12022102022), we get a palindrome (22032144123022).

The spelling of 22020122021000 in words is "twenty-two trillion, twenty billion, one hundred twenty-two million, twenty-one thousand".