20553016039 has 16 divisors (see below), whose sum is σ = 22333201920. Its totient is φ = 18855698400.

The previous prime is 20553016021. The next prime is 20553016061. The reversal of 20553016039 is 93061035502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20553016039 - 2¹³ = 20553007847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20553015995 and 20553016013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20553016079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317 + ... + 202750.

It is an arithmetic number, because the mean of its divisors is an integer number (1395825120).

Almost surely, 2^20553016039 is an apocalyptic number.

20553016039 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20553016039 is a deficient number, since it is larger than the sum of its proper divisors (1780185881).

20553016039 is a wasteful number, since it uses less digits than its factorization.

20553016039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204270.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 20553016039 in words is "twenty billion, five hundred fifty-three million, sixteen thousand, thirty-nine".