120420405200 has 60 divisors (see below), whose sum is σ = 298642635648. Its totient is φ = 46614345600.

The previous prime is 120420405187. The next prime is 120420405221. The reversal of 120420405200 is 2504024021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 4843262 + ... + 4868061.

Almost surely, 2^120420405200 is an apocalyptic number.

120420405200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120420405200 is an abundant number, since it is smaller than the sum of its proper divisors (178222230448).

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

120420405200 is a wasteful number, since it uses less digits than its factorization.

120420405200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9711372 (or 9711361 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 120420405200 its reverse (2504024021), we get a palindrome (122924429221).

The spelling of 120420405200 in words is "one hundred twenty billion, four hundred twenty million, four hundred five thousand, two hundred".