20501150615 has 32 divisors (see below), whose sum is σ = 27001624320. Its totient is φ = 14819212800.

The previous prime is 20501150599. The next prime is 20501150687. The reversal of 20501150615 is 51605110502.

It is not a de Polignac number, because 20501150615 - 2⁴ = 20501150599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8733872 + ... + 8736218.

It is an arithmetic number, because the mean of its divisors is an integer number (843800760).

Almost surely, 2^20501150615 is an apocalyptic number.

20501150615 is a deficient number, since it is larger than the sum of its proper divisors (6500473705).

20501150615 is a wasteful number, since it uses less digits than its factorization.

20501150615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3263.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 20501150615 in words is "twenty billion, five hundred one million, one hundred fifty thousand, six hundred fifteen".