2236405020 has 24 divisors (see below), whose sum is σ = 6261934224. Its totient is φ = 596374656.

The previous prime is 2236405019. The next prime is 2236405027. The reversal of 2236405020 is 205046322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2236405027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18636649 + ... + 18636768.

It is an arithmetic number, because the mean of its divisors is an integer number (260913926).

Almost surely, 2^2236405020 is an apocalyptic number.

2236405020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2236405020 is an abundant number, since it is smaller than the sum of its proper divisors (4025529204).

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

2236405020 is a wasteful number, since it uses less digits than its factorization.

2236405020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37273429 (or 37273427 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2236405020 is about 47290.6441064192. The cubic root of 2236405020 is about 1307.7261839277.

The spelling of 2236405020 in words is "two billion, two hundred thirty-six million, four hundred five thousand, twenty".