20452525315 has 4 divisors (see below), whose sum is σ = 24543030384. Its totient is φ = 16362020248.

The previous prime is 20452525271. The next prime is 20452525337. The reversal of 20452525315 is 51352525402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20452525315 - 2⁹ = 20452524803 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045252527 + ... + 2045252536.

It is an arithmetic number, because the mean of its divisors is an integer number (6135757596).

Almost surely, 2^20452525315 is an apocalyptic number.

20452525315 is a deficient number, since it is larger than the sum of its proper divisors (4090505069).

20452525315 is an equidigital number, since it uses as much as digits as its factorization.

20452525315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090505068.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 20452525315 in words is "twenty billion, four hundred fifty-two million, five hundred twenty-five thousand, three hundred fifteen".