236155420 has 48 divisors (see below), whose sum is σ = 503895168. Its totient is φ = 92957760.

The previous prime is 236155399. The next prime is 236155429. The reversal of 236155420 is 24551632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (236155429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451279 + ... + 451801.

It is an arithmetic number, because the mean of its divisors is an integer number (10497816).

Almost surely, 2^236155420 is an apocalyptic number.

236155420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236155420 is an abundant number, since it is smaller than the sum of its proper divisors (267739748).

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

236155420 is a wasteful number, since it uses less digits than its factorization.

236155420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 236155420 is about 15367.3491533185. The cubic root of 236155420 is about 618.1102884758.

The spelling of 236155420 in words is "two hundred thirty-six million, one hundred fifty-five thousand, four hundred twenty".