30101122020 has 48 divisors (see below), whose sum is σ = 88719099840. Its totient is φ = 7604493696.

The previous prime is 30101122013. The next prime is 30101122033. The reversal of 30101122020 is 2022110103.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30101121987 and 30101122005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13201107 + ... + 13203386.

It is an arithmetic number, because the mean of its divisors is an integer number (1848314580).

Almost surely, 2^30101122020 is an apocalyptic number.

30101122020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30101122020 is an abundant number, since it is smaller than the sum of its proper divisors (58617977820).

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

30101122020 is a wasteful number, since it uses less digits than its factorization.

30101122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26404524 (or 26404522 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 30101122020 its reverse (2022110103), we get a palindrome (32123232123).

The spelling of 30101122020 in words is "thirty billion, one hundred one million, one hundred twenty-two thousand, twenty".