20313468 has 72 divisors (see below), whose sum is σ = 59186400. Its totient is φ = 5754240.

The previous prime is 20313467. The next prime is 20313473. The reversal of 20313468 is 86431302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37278 + ... + 37818.

Almost surely, 2^20313468 is an apocalyptic number.

20313468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29593200).

20313468 is an abundant number, since it is smaller than the sum of its proper divisors (38872932).

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

20313468 is a wasteful number, since it uses less digits than its factorization.

20313468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20313468 is about 4507.0464830086. The cubic root of 20313468 is about 272.8525549254.

The spelling of 20313468 in words is "twenty million, three hundred thirteen thousand, four hundred sixty-eight".