220120002031 has 2 divisors, whose sum is σ = 220120002032. Its totient is φ = 220120002030.

The previous prime is 220120002023. The next prime is 220120002059. The reversal of 220120002031 is 130200021022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220120002031 - 2³ = 220120002023 is a prime.

It is a super-2 number, since 2×220120002031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220120012031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110060001015 + 110060001016.

It is an arithmetic number, because the mean of its divisors is an integer number (110060001016).

Almost surely, 2^220120002031 is an apocalyptic number.

220120002031 is a deficient number, since it is larger than the sum of its proper divisors (1).

220120002031 is an equidigital number, since it uses as much as digits as its factorization.

220120002031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 220120002031 its reverse (130200021022), we get a palindrome (350320023053).

The spelling of 220120002031 in words is "two hundred twenty billion, one hundred twenty million, two thousand, thirty-one".