20753901069 has 64 divisors (see below), whose sum is σ = 32313012480. Its totient is φ = 11728640000.

The previous prime is 20753901059. The next prime is 20753901101. The reversal of 20753901069 is 96010935702.

It is not a de Polignac number, because 20753901069 - 2⁵ = 20753901037 is a prime.

It is a super-2 number, since 2×20753901069² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20753901069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20753901059) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3960319 + ... + 3965555.

It is an arithmetic number, because the mean of its divisors is an integer number (504890820).

Almost surely, 2^20753901069 is an apocalyptic number.

20753901069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20753901069 is a deficient number, since it is larger than the sum of its proper divisors (11559111411).

20753901069 is a wasteful number, since it uses less digits than its factorization.

20753901069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5422.

The product of its (nonzero) digits is 102060, while the sum is 42.

The spelling of 20753901069 in words is "twenty billion, seven hundred fifty-three million, nine hundred one thousand, sixty-nine".