20299468 has 24 divisors (see below), whose sum is σ = 41174784. Its totient is φ = 8576400.

The previous prime is 20299457. The next prime is 20299493. The reversal of 20299468 is 86499202.

It is a self number, because there is not a number n which added to its sum of digits gives 20299468.

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, 3118 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (1715616).

Almost surely, 2^20299468 is an apocalyptic number.

20299468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20299468 is an abundant number, since it is smaller than the sum of its proper divisors (20875316).

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

20299468 is a wasteful number, since it uses less digits than its factorization.

20299468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293 (or 10291 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 20299468 is about 4505.4930917714. The cubic root of 20299468 is about 272.7898573813.

The spelling of 20299468 in words is "twenty million, two hundred ninety-nine thousand, four hundred sixty-eight".