20331203220031 has 8 divisors (see below), whose sum is σ = 22243045986000. Its totient is φ = 18429952381440.

The previous prime is 20331203220019. The next prime is 20331203220079. The reversal of 20331203220031 is 13002230213302.

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

It is a cyclic number.

It is not a de Polignac number, because 20331203220031 - 2⁹ = 20331203219519 is a prime.

It is a super-2 number, since 2×20331203220031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331203219984 and 20331203220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331203220001) 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, 2647977826 + ... + 2647985503.

It is an arithmetic number, because the mean of its divisors is an integer number (2780380748250).

Almost surely, 2^{20331203220031} is an apocalyptic number.

20331203220031 is a deficient number, since it is larger than the sum of its proper divisors (1911842765969).

20331203220031 is a wasteful number, since it uses less digits than its factorization.

20331203220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295963689.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20331203220031 its reverse (13002230213302), we get a palindrome (33333433433333).

The spelling of 20331203220031 in words is "twenty trillion, three hundred thirty-one billion, two hundred three million, two hundred twenty thousand, thirty-one".