300120010020 has 36 divisors (see below), whose sum is σ = 910364030940. Its totient is φ = 80032002624.

The previous prime is 300120009989. The next prime is 300120010037. The reversal of 300120010020 is 20010021003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48734094564 + 251385915456 = 220758^2 + 501384^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 300120009984 and 300120010011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833666515 + ... + 833666874.

Almost surely, 2^300120010020 is an apocalyptic number.

300120010020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300120010020 is an abundant number, since it is smaller than the sum of its proper divisors (610244020920).

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

300120010020 is a wasteful number, since it uses less digits than its factorization.

300120010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667333404 (or 1667333399 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 300120010020 its reverse (20010021003), we get a palindrome (320130031023).

The spelling of 300120010020 in words is "three hundred billion, one hundred twenty million, ten thousand, twenty".