20356453101 has 8 divisors (see below), whose sum is σ = 27405451840. Its totient is φ = 13439211552.

The previous prime is 20356453079. The next prime is 20356453151. The reversal of 20356453101 is 10135465302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20356453101 - 2¹¹ = 20356451053 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 (20356453151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32938936 + ... + 32939553.

It is an arithmetic number, because the mean of its divisors is an integer number (3425681480).

Almost surely, 2^20356453101 is an apocalyptic number.

It is an amenable number.

20356453101 is a deficient number, since it is larger than the sum of its proper divisors (7048998739).

20356453101 is a wasteful number, since it uses less digits than its factorization.

20356453101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65878595.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 20356453101 in words is "twenty billion, three hundred fifty-six million, four hundred fifty-three thousand, one hundred one".