20449468 has 24 divisors (see below), whose sum is σ = 38666880. Its totient is φ = 9407040.

The previous prime is 20449433. The next prime is 20449469. The reversal of 20449468 is 86494402.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20449469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24498 + ... + 25318.

It is an arithmetic number, because the mean of its divisors is an integer number (1611120).

Almost surely, 2^20449468 is an apocalyptic number.

It is an amenable number.

20449468 is a deficient number, since it is larger than the sum of its proper divisors (18217412).

20449468 is a wasteful number, since it uses less digits than its factorization.

20449468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1315 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 20449468 is about 4522.1088001064. The cubic root of 20449468 is about 273.4601229478.

The spelling of 20449468 in words is "twenty million, four hundred forty-nine thousand, four hundred sixty-eight".