4020010236 has 72 divisors (see below), whose sum is σ = 11496086784. Its totient is φ = 1218181680.

The previous prime is 4020010207. The next prime is 4020010237. The reversal of 4020010236 is 6320100204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020010237) 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, 177300 + ... + 198683.

It is an arithmetic number, because the mean of its divisors is an integer number (159667872).

Almost surely, 2^4020010236 is an apocalyptic number.

It is an amenable number.

4020010236 is an abundant number, since it is smaller than the sum of its proper divisors (7476076548).

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

4020010236 is a wasteful number, since it uses less digits than its factorization.

4020010236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376013 (or 375999 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4020010236 is about 63403.5506576722. The cubic root of 4020010236 is about 1590.0436727057.

The spelling of 4020010236 in words is "four billion, twenty million, ten thousand, two hundred thirty-six".