20420120300 has 18 divisors (see below), whose sum is σ = 44311661268. Its totient is φ = 8168048080.

The previous prime is 20420120293. The next prime is 20420120321. The reversal of 20420120300 is 302102402.

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, 102100502 + ... + 102100701.

Almost surely, 2^20420120300 is an apocalyptic number.

20420120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20420120300 is an abundant number, since it is smaller than the sum of its proper divisors (23891540968).

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

20420120300 is a wasteful number, since it uses less digits than its factorization.

20420120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204201217 (or 204201210 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20420120300 its reverse (302102402), we get a palindrome (20722222702).

The spelling of 20420120300 in words is "twenty billion, four hundred twenty million, one hundred twenty thousand, three hundred".