20010332031 has 4 divisors (see below), whose sum is σ = 26680442712. Its totient is φ = 13340221352.

The previous prime is 20010332003. The next prime is 20010332047. The reversal of 20010332031 is 13023301002.

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 20010332031 - 2⁹ = 20010331519 is a prime.

It is a super-2 number, since 2×20010332031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20010332031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010332131) 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, 3335055336 + ... + 3335055341.

It is an arithmetic number, because the mean of its divisors is an integer number (6670110678).

Almost surely, 2^20010332031 is an apocalyptic number.

20010332031 is a deficient number, since it is larger than the sum of its proper divisors (6670110681).

20010332031 is an equidigital number, since it uses as much as digits as its factorization.

20010332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6670110680.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20010332031 its reverse (13023301002), we get a palindrome (33033633033).

The spelling of 20010332031 in words is "twenty billion, ten million, three hundred thirty-two thousand, thirty-one".