20115000325 has 24 divisors (see below), whose sum is σ = 28511246592. Its totient is φ = 13790521920.

The previous prime is 20115000293. The next prime is 20115000371. The reversal of 20115000325 is 52300051102.

It is not a de Polignac number, because 20115000325 - 2⁵ = 20115000293 is a prime.

It is a super-2 number, since 2×20115000325² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1539972 + ... + 1552978.

It is an arithmetic number, because the mean of its divisors is an integer number (1187968608).

Almost surely, 2^20115000325 is an apocalyptic number.

20115000325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20115000325 is a deficient number, since it is larger than the sum of its proper divisors (8396246267).

20115000325 is a wasteful number, since it uses less digits than its factorization.

20115000325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21861 (or 21856 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 20115000325 its reverse (52300051102), we get a palindrome (72415051427).

The spelling of 20115000325 in words is "twenty billion, one hundred fifteen million, three hundred twenty-five", and thus it is an aban number.