20415790682925 has 96 divisors (see below), whose sum is σ = 37413550569984. Its totient is φ = 9740050848000.

The previous prime is 20415790682921. The next prime is 20415790682941. The reversal of 20415790682925 is 52928609751402.

It is not a de Polignac number, because 20415790682925 - 2² = 20415790682921 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415790682921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49930815 + ... + 50338035.

It is an arithmetic number, because the mean of its divisors is an integer number (389724485104).

Almost surely, 2^{20415790682925} is an apocalyptic number.

20415790682925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20415790682925 is a deficient number, since it is larger than the sum of its proper divisors (16997759887059).

20415790682925 is a wasteful number, since it uses less digits than its factorization.

20415790682925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408219 (or 408214 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 20415790682925 in words is "twenty trillion, four hundred fifteen billion, seven hundred ninety million, six hundred eighty-two thousand, nine hundred twenty-five".