222020020031 has 4 divisors (see below), whose sum is σ = 222021398352. Its totient is φ = 222018641712.

The previous prime is 222020020007. The next prime is 222020020067. The reversal of 222020020031 is 130020020222.

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 222020020031 - 2²² = 222015825727 is a prime.

It is a super-2 number, since 2×222020020031² (a number of 23 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 = 222020019988 and 222020020015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020020331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409790 + ... + 782283.

It is an arithmetic number, because the mean of its divisors is an integer number (55505349588).

Almost surely, 2^222020020031 is an apocalyptic number.

222020020031 is a deficient number, since it is larger than the sum of its proper divisors (1378321).

222020020031 is a wasteful number, since it uses less digits than its factorization.

222020020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378320.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 222020020031 its reverse (130020020222), we get a palindrome (352040040253).

The spelling of 222020020031 in words is "two hundred twenty-two billion, twenty million, twenty thousand, thirty-one".