30311062020 has 72 divisors (see below), whose sum is σ = 92008676760. Its totient is φ = 8077224960.

The previous prime is 30311062013. The next prime is 30311062063. The reversal of 30311062020 is 2026011303.

30311062020 is a `hidden beast` number, since 3 + 0 + 31 + 10 + 620 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 856264644 + 29454797376 = 29262^2 + 171624^2 .

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 = 30311061984 and 30311062002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198300 + ... + 316140.

Almost surely, 2^30311062020 is an apocalyptic number.

30311062020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30311062020 is an abundant number, since it is smaller than the sum of its proper divisors (61697614740).

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

30311062020 is a wasteful number, since it uses less digits than its factorization.

30311062020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119285 (or 119280 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30311062020 its reverse (2026011303), we get a palindrome (32337073323).

The spelling of 30311062020 in words is "thirty billion, three hundred eleven million, sixty-two thousand, twenty".