20053932197 has 16 divisors (see below), whose sum is σ = 21902979840. Its totient is φ = 18249371712.

The previous prime is 20053932191. The next prime is 20053932211. The reversal of 20053932197 is 79123935002.

It is a happy number.

It is not a de Polignac number, because 20053932197 - 2¹² = 20053928101 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 (20053932191) 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, 680858 + ... + 709700.

It is an arithmetic number, because the mean of its divisors is an integer number (1368936240).

Almost surely, 2^20053932197 is an apocalyptic number.

It is an amenable number.

20053932197 is a deficient number, since it is larger than the sum of its proper divisors (1849047643).

20053932197 is a wasteful number, since it uses less digits than its factorization.

20053932197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29612.

The product of its (nonzero) digits is 102060, while the sum is 41.

The spelling of 20053932197 in words is "twenty billion, fifty-three million, nine hundred thirty-two thousand, one hundred ninety-seven".