20272344 has 32 divisors (see below), whose sum is σ = 51030000. Its totient is φ = 6710912.

The previous prime is 20272339. The next prime is 20272379. The reversal of 20272344 is 44327202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742 + ... + 6410.

Almost surely, 2^20272344 is an apocalyptic number.

20272344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20272344 is an abundant number, since it is smaller than the sum of its proper divisors (30757656).

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

20272344 is a wasteful number, since it uses less digits than its factorization.

20272344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827 (or 5823 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 20272344 is about 4502.4819821960. The cubic root of 20272344 is about 272.6683032909.

Adding to 20272344 its reverse (44327202), we get a palindrome (64599546).

It can be divided in two parts, 2027 and 2344, that added together give a triangular number (4371 = T₉₃).

The spelling of 20272344 in words is "twenty million, two hundred seventy-two thousand, three hundred forty-four".