20200032031 has 4 divisors (see below), whose sum is σ = 20244233872. Its totient is φ = 20155830192.

The previous prime is 20200032029. The next prime is 20200032059. The reversal of 20200032031 is 13023000202.

It is a happy number.

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 20200032031 - 2¹ = 20200032029 is a prime.

It is a super-2 number, since 2×20200032031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200032091) 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, 22100235 + ... + 22101148.

It is an arithmetic number, because the mean of its divisors is an integer number (5061058468).

Almost surely, 2^20200032031 is an apocalyptic number.

20200032031 is a deficient number, since it is larger than the sum of its proper divisors (44201841).

20200032031 is an equidigital number, since it uses as much as digits as its factorization.

20200032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44201840.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20200032031 its reverse (13023000202), we get a palindrome (33223032233).

The spelling of 20200032031 in words is "twenty billion, two hundred million, thirty-two thousand, thirty-one".