20213653159 has 4 divisors (see below), whose sum is σ = 23101317904. Its totient is φ = 17325988416.

The previous prime is 20213653153. The next prime is 20213653181. The reversal of 20213653159 is 95135631202.

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

It is a cyclic number.

It is not a de Polignac number, because 20213653159 - 2¹⁵ = 20213620391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213653153) 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, 1443832362 + ... + 1443832375.

It is an arithmetic number, because the mean of its divisors is an integer number (5775329476).

Almost surely, 2^20213653159 is an apocalyptic number.

20213653159 is a deficient number, since it is larger than the sum of its proper divisors (2887664745).

20213653159 is an equidigital number, since it uses as much as digits as its factorization.

20213653159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887664744.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 20213653159 in words is "twenty billion, two hundred thirteen million, six hundred fifty-three thousand, one hundred fifty-nine".