20601156415 has 32 divisors (see below), whose sum is σ = 28539371520. Its totient is φ = 13983580800.

The previous prime is 20601156409. The next prime is 20601156439. The reversal of 20601156415 is 51465110602.

It is not a de Polignac number, because 20601156415 - 2²⁹ = 20064285503 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, 5610030 + ... + 5613700.

It is an arithmetic number, because the mean of its divisors is an integer number (891855360).

Almost surely, 2^20601156415 is an apocalyptic number.

20601156415 is a deficient number, since it is larger than the sum of its proper divisors (7938215105).

20601156415 is a wasteful number, since it uses less digits than its factorization.

20601156415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 20601156415 in words is "twenty billion, six hundred one million, one hundred fifty-six thousand, four hundred fifteen".