20402688625332 has 48 divisors (see below), whose sum is σ = 51308254697280. Its totient is φ = 6272857260288.

The previous prime is 20402688625331. The next prime is 20402688625357. The reversal of 20402688625332 is 23352688620402.

It is a super-2 number, since 2×20402688625332² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402688625331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50768857 + ... + 51169152.

It is an arithmetic number, because the mean of its divisors is an integer number (1068921972860).

Almost surely, 2^{20402688625332} is an apocalyptic number.

It is an amenable number.

20402688625332 is an abundant number, since it is smaller than the sum of its proper divisors (30905566071948).

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

20402688625332 is a wasteful number, since it uses less digits than its factorization.

20402688625332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101939312 (or 101939310 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

The spelling of 20402688625332 in words is "twenty trillion, four hundred two billion, six hundred eighty-eight million, six hundred twenty-five thousand, three hundred thirty-two".