236012420 has 36 divisors (see below), whose sum is σ = 576547020. Its totient is φ = 80918208.

The previous prime is 236012419. The next prime is 236012429. The reversal of 236012420 is 24210632.

It can be written as a sum of positive squares in 2 ways, for example, as 178008964 + 58003456 = 13342^2 + 7616^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 236012392 and 236012401.

It is not an unprimeable number, because it can be changed into a prime (236012429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119435 + ... + 121394.

It is an arithmetic number, because the mean of its divisors is an integer number (16015195).

Almost surely, 2^236012420 is an apocalyptic number.

236012420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236012420 is an abundant number, since it is smaller than the sum of its proper divisors (340534600).

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

236012420 is a wasteful number, since it uses less digits than its factorization.

236012420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240852 (or 240843 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 236012420 is about 15362.6957269875. The cubic root of 236012420 is about 617.9855011383.

The spelling of 236012420 in words is "two hundred thirty-six million, twelve thousand, four hundred twenty".