310130022022020 has 72 divisors (see below), whose sum is σ = 941006634725976. Its totient is φ = 82676820413952.

The previous prime is 310130022022013. The next prime is 310130022022021. The reversal of 310130022022020 is 20220220031013.

310130022022020 is a `hidden beast` number, since 3 + 101 + 300 + 2 + 20 + 220 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 192827605792644 + 117302416229376 = 13886238^2 + 10830624^2 .

It is a super-2 number, since 2×310130022022020² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 310130022021984 and 310130022022002.

It is not an unprimeable number, because it can be changed into a prime (310130022022021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254795257 + ... + 256009536.

Almost surely, 2^{310130022022020} is an apocalyptic number.

310130022022020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310130022022020 is an abundant number, since it is smaller than the sum of its proper divisors (630876612703956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310130022022020 is a wasteful number, since it uses less digits than its factorization.

310130022022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510808181 (or 510808176 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 310130022022020 its reverse (20220220031013), we get a palindrome (330350242053033).

The spelling of 310130022022020 in words is "three hundred ten trillion, one hundred thirty billion, twenty-two million, twenty-two thousand, twenty".