20022617533025 has 12 divisors (see below), whose sum is σ = 24828108314172. Its totient is φ = 16018053656640.

The previous prime is 20022617533021. The next prime is 20022617533031. The reversal of 20022617533025 is 52033571622002.

It can be written as a sum of positive squares in 6 ways, for example, as 6807131466304 + 13215486066721 = 2609048^2 + 3635311^2 .

It is not a de Polignac number, because 20022617533025 - 2² = 20022617533021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20022617533025.

It is not an unprimeable number, because it can be changed into a prime (20022617533021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12829427 + ... + 14305223.

It is an arithmetic number, because the mean of its divisors is an integer number (2069009026181).

Almost surely, 2^{20022617533025} is an apocalyptic number.

20022617533025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20022617533025 is a deficient number, since it is larger than the sum of its proper divisors (4805490781147).

20022617533025 is a wasteful number, since it uses less digits than its factorization.

20022617533025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018500 (or 2018495 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 20022617533025 in words is "twenty trillion, twenty-two billion, six hundred seventeen million, five hundred thirty-three thousand, twenty-five".