20231502415 has 4 divisors (see below), whose sum is σ = 24277802904. Its totient is φ = 16185201928.

The previous prime is 20231502383. The next prime is 20231502427. The reversal of 20231502415 is 51420513202.

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 20231502415 - 2⁵ = 20231502383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20231502415.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2023150237 + ... + 2023150246.

It is an arithmetic number, because the mean of its divisors is an integer number (6069450726).

Almost surely, 2^20231502415 is an apocalyptic number.

20231502415 is a deficient number, since it is larger than the sum of its proper divisors (4046300489).

20231502415 is an equidigital number, since it uses as much as digits as its factorization.

20231502415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046300488.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20231502415 in words is "twenty billion, two hundred thirty-one million, five hundred two thousand, four hundred fifteen".