20297202753 has 16 divisors (see below), whose sum is σ = 27718891200. Its totient is φ = 13204095744.

The previous prime is 20297202701. The next prime is 20297202767. The reversal of 20297202753 is 35720279202.

It is a de Polignac number, because none of the positive numbers 2^k-20297202753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20297202953) 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, 60325 + ... + 210317.

It is an arithmetic number, because the mean of its divisors is an integer number (1732430700).

Almost surely, 2^20297202753 is an apocalyptic number.

It is an amenable number.

20297202753 is a deficient number, since it is larger than the sum of its proper divisors (7421688447).

20297202753 is a wasteful number, since it uses less digits than its factorization.

20297202753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151088.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 20297202753 in words is "twenty billion, two hundred ninety-seven million, two hundred two thousand, seven hundred fifty-three".