420056153 has 24 divisors (see below), whose sum is σ = 492231936. Its totient is φ = 355212000.

The previous prime is 420056137. The next prime is 420056171. The reversal of 420056153 is 351650024.

It is not a de Polignac number, because 420056153 - 2⁴ = 420056137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420056173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214328 + ... + 216278.

It is an arithmetic number, because the mean of its divisors is an integer number (20509664).

Almost surely, 2^420056153 is an apocalyptic number.

It is an amenable number.

420056153 is a deficient number, since it is larger than the sum of its proper divisors (72175783).

420056153 is a wasteful number, since it uses less digits than its factorization.

420056153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 420056153 is about 20495.2714790510. The cubic root of 420056153 is about 748.9206120482.

The spelling of 420056153 in words is "four hundred twenty million, fifty-six thousand, one hundred fifty-three".