20237444 has 12 divisors (see below), whose sum is σ = 35490000. Its totient is φ = 10097448.

The previous prime is 20237431. The next prime is 20237449. The reversal of 20237444 is 44473202.

It is not an unprimeable number, because it can be changed into a prime (20237449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074 + ... + 7065.

It is an arithmetic number, because the mean of its divisors is an integer number (2957500).

Almost surely, 2^20237444 is an apocalyptic number.

It is an amenable number.

20237444 is a deficient number, since it is larger than the sum of its proper divisors (15252556).

20237444 is a wasteful number, since it uses less digits than its factorization.

20237444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642 (or 10640 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 20237444 is about 4498.6046725624. The cubic root of 20237444 is about 272.5117420522.

The spelling of 20237444 in words is "twenty million, two hundred thirty-seven thousand, four hundred forty-four".