420112152 has 24 divisors (see below), whose sum is σ = 1137803940. Its totient is φ = 140037360.

The previous prime is 420112123. The next prime is 420112163. The reversal of 420112152 is 251211024.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×420112152² = 352988440516142208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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, 2917374 + ... + 2917517.

Almost surely, 2^420112152 is an apocalyptic number.

It is an amenable number.

420112152 is an abundant number, since it is smaller than the sum of its proper divisors (717691788).

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

420112152 is a wasteful number, since it uses less digits than its factorization.

420112152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834903 (or 5834896 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 420112152 is about 20496.6375779053. The cubic root of 420112152 is about 748.9538908860.

Adding to 420112152 its reverse (251211024), we get a palindrome (671323176).

The spelling of 420112152 in words is "four hundred twenty million, one hundred twelve thousand, one hundred fifty-two".