20200332131 has 4 divisors (see below), whose sum is σ = 23086093872. Its totient is φ = 17314570392.

The previous prime is 20200332079. The next prime is 20200332137. The reversal of 20200332131 is 13123300202.

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

It is a de Polignac number, because none of the positive numbers 2^k-20200332131 is a prime.

It is a super-2 number, since 2×20200332131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200332137) 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, 1442880860 + ... + 1442880873.

It is an arithmetic number, because the mean of its divisors is an integer number (5771523468).

Almost surely, 2^20200332131 is an apocalyptic number.

20200332131 is a deficient number, since it is larger than the sum of its proper divisors (2885761741).

20200332131 is an equidigital number, since it uses as much as digits as its factorization.

20200332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885761740.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20200332131 its reverse (13123300202), we get a palindrome (33323632333).

The spelling of 20200332131 in words is "twenty billion, two hundred million, three hundred thirty-two thousand, one hundred thirty-one".