20315115125350 has 48 divisors (see below), whose sum is σ = 39207436688448. Its totient is φ = 7824913597440.

The previous prime is 20315115125311. The next prime is 20315115125359. The reversal of 20315115125350 is 5352151151302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315115125359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56424382 + ... + 56783281.

It is an arithmetic number, because the mean of its divisors is an integer number (816821597676).

Almost surely, 2^{20315115125350} is an apocalyptic number.

20315115125350 is a deficient number, since it is larger than the sum of its proper divisors (18892321563098).

20315115125350 is a wasteful number, since it uses less digits than its factorization.

20315115125350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113207809 (or 113207804 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

Adding to 20315115125350 its reverse (5352151151302), we get a palindrome (25667266276652).

The spelling of 20315115125350 in words is "twenty trillion, three hundred fifteen billion, one hundred fifteen million, one hundred twenty-five thousand, three hundred fifty".