20362563147 has 4 divisors (see below), whose sum is σ = 27150084200. Its totient is φ = 13575042096.

The previous prime is 20362563139. The next prime is 20362563191. The reversal of 20362563147 is 74136526302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20362563147 - 2³ = 20362563139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20362563197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3393760522 + ... + 3393760527.

It is an arithmetic number, because the mean of its divisors is an integer number (6787521050).

Almost surely, 2^20362563147 is an apocalyptic number.

20362563147 is a deficient number, since it is larger than the sum of its proper divisors (6787521053).

20362563147 is an equidigital number, since it uses as much as digits as its factorization.

20362563147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787521052.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 20362563147 in words is "twenty billion, three hundred sixty-two million, five hundred sixty-three thousand, one hundred forty-seven".