20272888 has 8 divisors (see below), whose sum is σ = 38011680. Its totient is φ = 10136440.

The previous prime is 20272859. The next prime is 20272897. The reversal of 20272888 is 88827202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267048 + ... + 1267063.

It is an arithmetic number, because the mean of its divisors is an integer number (4751460).

Almost surely, 2^20272888 is an apocalyptic number.

It is an amenable number.

20272888 is a deficient number, since it is larger than the sum of its proper divisors (17738792).

20272888 is a wasteful number, since it uses less digits than its factorization.

20272888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534117 (or 2534113 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 20272888 is about 4502.5423929154. The cubic root of 20272888 is about 272.6707422496.

The spelling of 20272888 in words is "twenty million, two hundred seventy-two thousand, eight hundred eighty-eight".