20023382015 has 64 divisors (see below), whose sum is σ = 30101041152. Its totient is φ = 12449203200.

The previous prime is 20023382003. The next prime is 20023382039. The reversal of 20023382015 is 51028332002.

It is a Cunningham number, because it is equal to 141504²-1.

It is not a de Polignac number, because 20023382015 - 2¹² = 20023377919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10045859 + ... + 10047851.

It is an arithmetic number, because the mean of its divisors is an integer number (470328768).

Almost surely, 2^20023382015 is an apocalyptic number.

20023382015 is a deficient number, since it is larger than the sum of its proper divisors (10077659137).

20023382015 is a wasteful number, since it uses less digits than its factorization.

20023382015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 20023382015 in words is "twenty billion, twenty-three million, three hundred eighty-two thousand, fifteen".