236720940 has 24 divisors (see below), whose sum is σ = 662818800. Its totient is φ = 63125568.

The previous prime is 236720927. The next prime is 236720947. The reversal of 236720940 is 49027632.

It is not an unprimeable number, because it can be changed into a prime (236720947) 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, 1972615 + ... + 1972734.

It is an arithmetic number, because the mean of its divisors is an integer number (27617450).

Almost surely, 2^236720940 is an apocalyptic number.

236720940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

236720940 is an abundant number, since it is smaller than the sum of its proper divisors (426097860).

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

236720940 is a wasteful number, since it uses less digits than its factorization.

236720940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945361 (or 3945359 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 236720940 is about 15385.7382013344. The cubic root of 236720940 is about 618.6032901837.

The spelling of 236720940 in words is "two hundred thirty-six million, seven hundred twenty thousand, nine hundred forty".