20458552 has 16 divisors (see below), whose sum is σ = 38408400. Its totient is φ = 10216320.

The previous prime is 20458547. The next prime is 20458553. The reversal of 20458552 is 25585402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20458553) 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, 9949 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (2400525).

Almost surely, 2^20458552 is an apocalyptic number.

It is an amenable number.

20458552 is a deficient number, since it is larger than the sum of its proper divisors (17949848).

20458552 is a wasteful number, since it uses less digits than its factorization.

20458552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 20458552 is about 4523.1130872442. The cubic root of 20458552 is about 273.5006088261.

The spelling of 20458552 in words is "twenty million, four hundred fifty-eight thousand, five hundred fifty-two".