20314040 has 32 divisors (see below), whose sum is σ = 48114000. Its totient is φ = 7697664.

The previous prime is 20313989. The next prime is 20314043. The reversal of 20314040 is 4041302.

It is a super-2 number, since 2×20314040² = 825320442243200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314043) 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, 12605 + ... + 14124.

Almost surely, 2^20314040 is an apocalyptic number.

20314040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20314040 is an abundant number, since it is smaller than the sum of its proper divisors (27799960).

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

20314040 is a wasteful number, since it uses less digits than its factorization.

20314040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26759 (or 26755 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20314040 is about 4507.1099387523. The cubic root of 20314040 is about 272.8551159553.

Adding to 20314040 its reverse (4041302), we get a palindrome (24355342).

The spelling of 20314040 in words is "twenty million, three hundred fourteen thousand, forty".