420620120 has 32 divisors (see below), whose sum is σ = 1002067200. Its totient is φ = 158350848.

The previous prime is 420620111. The next prime is 420620153. The reversal of 420620120 is 21026024.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308600 + ... + 309959.

It is an arithmetic number, because the mean of its divisors is an integer number (31314600).

Almost surely, 2^420620120 is an apocalyptic number.

420620120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420620120 is an abundant number, since it is smaller than the sum of its proper divisors (581447080).

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

420620120 is a wasteful number, since it uses less digits than its factorization.

420620120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618587 (or 618583 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 420620120 is about 20509.0253303271. The cubic root of 420620120 is about 749.2556288673.

Adding to 420620120 its reverse (21026024), we get a palindrome (441646144).

The spelling of 420620120 in words is "four hundred twenty million, six hundred twenty thousand, one hundred twenty".