20736628035 has 16 divisors (see below), whose sum is σ = 34248883200. Its totient is φ = 10702775520.

The previous prime is 20736628027. The next prime is 20736628057. The reversal of 20736628035 is 53082663702.

It is a happy number.

It is not a de Polignac number, because 20736628035 - 2³ = 20736628027 is a prime.

It is a super-2 number, since 2×20736628035² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22296985 + ... + 22297914.

It is an arithmetic number, because the mean of its divisors is an integer number (2140555200).

Almost surely, 2^20736628035 is an apocalyptic number.

20736628035 is a deficient number, since it is larger than the sum of its proper divisors (13512255165).

20736628035 is a wasteful number, since it uses less digits than its factorization.

20736628035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44594938.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 20736628035 in words is "twenty billion, seven hundred thirty-six million, six hundred twenty-eight thousand, thirty-five".