20190944 has 12 divisors (see below), whose sum is σ = 39750984. Its totient is φ = 10095456.

The previous prime is 20190943. The next prime is 20191009. The reversal of 20190944 is 44909102.

It is a super-2 number, since 2×20190944² = 815348439222272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20190943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315452 + ... + 315515.

It is an arithmetic number, because the mean of its divisors is an integer number (3312582).

Almost surely, 2^20190944 is an apocalyptic number.

It is an amenable number.

20190944 is a deficient number, since it is larger than the sum of its proper divisors (19560040).

20190944 is an equidigital number, since it uses as much as digits as its factorization.

20190944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630977 (or 630969 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20190944 is about 4493.4334311304. The cubic root of 20190944 is about 272.3028633382.

The spelling of 20190944 in words is "twenty million, one hundred ninety thousand, nine hundred forty-four".