20012120300 has 18 divisors (see below), whose sum is σ = 43426301268. Its totient is φ = 8004848080.

The previous prime is 20012120269. The next prime is 20012120351. The reversal of 20012120300 is 302121002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100060502 + ... + 100060701.

Almost surely, 2^20012120300 is an apocalyptic number.

20012120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012120300 is an abundant number, since it is smaller than the sum of its proper divisors (23414180968).

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

20012120300 is a wasteful number, since it uses less digits than its factorization.

20012120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200121217 (or 200121210 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20012120300 its reverse (302121002), we get a palindrome (20314241302).

The spelling of 20012120300 in words is "twenty billion, twelve million, one hundred twenty thousand, three hundred".