20233406025 has 36 divisors (see below), whose sum is σ = 41417464192. Its totient is φ = 9249556320.

The previous prime is 20233406023. The next prime is 20233406029. The reversal of 20233406025 is 52060433202.

20233406025 is a `hidden beast` number, since 2 + 0 + 23 + 34 + 0 + 602 + 5 = 666.

It is not a de Polignac number, because 20233406025 - 2¹ = 20233406023 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 20233406025.

It is not an unprimeable number, because it can be changed into a prime (20233406021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6421729 + ... + 6424878.

Almost surely, 2^20233406025 is an apocalyptic number.

20233406025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20233406025 is an abundant number, since it is smaller than the sum of its proper divisors (21184058167).

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

20233406025 is a wasteful number, since it uses less digits than its factorization.

20233406025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12846630 (or 12846622 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20233406025 its reverse (52060433202), we get a palindrome (72293839227).

The spelling of 20233406025 in words is "twenty billion, two hundred thirty-three million, four hundred six thousand, twenty-five".