20922025000 has 48 divisors (see below), whose sum is σ = 49032916380. Its totient is φ = 8368800000.

The previous prime is 20922024989. The next prime is 20922025021. The reversal of 20922025000 is 52022902.

It can be written as a sum of positive squares in 6 ways, for example, as 2686763556 + 18235261444 = 51834^2 + 135038^2 .

It is a super-2 number, since 2×20922025000² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393441 + ... + 443440.

Almost surely, 2^20922025000 is an apocalyptic number.

20922025000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20922025000 is an abundant number, since it is smaller than the sum of its proper divisors (28110891380).

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

20922025000 is an frugal number, since it uses more digits than its factorization.

20922025000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836912 (or 836888 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20922025000 its reverse (52022902), we get a palindrome (20974047902).

The spelling of 20922025000 in words is "twenty billion, nine hundred twenty-two million, twenty-five thousand".