30331132022020 has 48 divisors (see below), whose sum is σ = 67641108675840. Its totient is φ = 11392186692096.

The previous prime is 30331132021991. The next prime is 30331132022021. The reversal of 30331132022020 is 2022023113303.

It is a junction number, because it is equal to n+sod(n) for n = 30331132021982 and 30331132022000.

It is not an unprimeable number, because it can be changed into a prime (30331132022021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353137452 + ... + 353223331.

It is an arithmetic number, because the mean of its divisors is an integer number (1409189764080).

Almost surely, 2^{30331132022020} is an apocalyptic number.

It is an amenable number.

30331132022020 is an abundant number, since it is smaller than the sum of its proper divisors (37309976653820).

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

30331132022020 is a wasteful number, since it uses less digits than its factorization.

30331132022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706360924 (or 706360922 counting only the distinct ones).

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

Adding to 30331132022020 its reverse (2022023113303), we get a palindrome (32353155135323).

The spelling of 30331132022020 in words is "thirty trillion, three hundred thirty-one billion, one hundred thirty-two million, twenty-two thousand, twenty".