4020010238 has 4 divisors (see below), whose sum is σ = 6030015360. Its totient is φ = 2010005118.

The previous prime is 4020010237. The next prime is 4020010249. The reversal of 4020010238 is 8320100204.

It is a semiprime because it is the product of two primes.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005002558 + ... + 1005002561.

It is an arithmetic number, because the mean of its divisors is an integer number (1507503840).

Almost surely, 2^4020010238 is an apocalyptic number.

4020010238 is a deficient number, since it is larger than the sum of its proper divisors (2010005122).

4020010238 is a wasteful number, since it uses less digits than its factorization.

4020010238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010005121.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4020010238 is about 63403.5506734441. The cubic root of 4020010238 is about 1590.0436729694.

The spelling of 4020010238 in words is "four billion, twenty million, ten thousand, two hundred thirty-eight".