20332500355 has 4 divisors (see below), whose sum is σ = 24399000432. Its totient is φ = 16266000280.

The previous prime is 20332500341. The next prime is 20332500367. The reversal of 20332500355 is 55300523302.

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

It is not a de Polignac number, because 20332500355 - 2²³ = 20324111747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033250031 + ... + 2033250040.

It is an arithmetic number, because the mean of its divisors is an integer number (6099750108).

Almost surely, 2^20332500355 is an apocalyptic number.

20332500355 is a deficient number, since it is larger than the sum of its proper divisors (4066500077).

20332500355 is an equidigital number, since it uses as much as digits as its factorization.

20332500355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066500076.

The product of its (nonzero) digits is 13500, while the sum is 28.

The spelling of 20332500355 in words is "twenty billion, three hundred thirty-two million, five hundred thousand, three hundred fifty-five".