20197295013 has 32 divisors (see below), whose sum is σ = 32651837440. Its totient is φ = 10847753280.

The previous prime is 20197294993. The next prime is 20197295023. The reversal of 20197295013 is 31059279102.

It is not a de Polignac number, because 20197295013 - 2⁵ = 20197294981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20197295023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148618 + ... + 249963.

It is an arithmetic number, because the mean of its divisors is an integer number (1020369920).

Almost surely, 2^20197295013 is an apocalyptic number.

It is an amenable number.

20197295013 is a deficient number, since it is larger than the sum of its proper divisors (12454542427).

20197295013 is a wasteful number, since it uses less digits than its factorization.

20197295013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398737.

The product of its (nonzero) digits is 34020, while the sum is 39.

The spelling of 20197295013 in words is "twenty billion, one hundred ninety-seven million, two hundred ninety-five thousand, thirteen".