20747711413 has 32 divisors (see below), whose sum is σ = 24602860800. Its totient is φ = 17248412160.

The previous prime is 20747711393. The next prime is 20747711419. The reversal of 20747711413 is 31411774702.

It is a cyclic number.

It is not a de Polignac number, because 20747711413 - 2³³ = 12157776821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20747711419) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14829688 + ... + 14831086.

It is an arithmetic number, because the mean of its divisors is an integer number (768839400).

Almost surely, 2^20747711413 is an apocalyptic number.

It is an amenable number.

20747711413 is a deficient number, since it is larger than the sum of its proper divisors (3855149387).

20747711413 is a wasteful number, since it uses less digits than its factorization.

20747711413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 32928, while the sum is 37.

The spelling of 20747711413 in words is "twenty billion, seven hundred forty-seven million, seven hundred eleven thousand, four hundred thirteen".