20314334040 has 384 divisors, whose sum is σ = 82281484800. Its totient is φ = 3896156160.

The previous prime is 20314334003. The next prime is 20314334057. The reversal of 20314334040 is 4043341302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20314334040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1555056 + ... + 1568064.

It is an arithmetic number, because the mean of its divisors is an integer number (214274700).

Almost surely, 2^20314334040 is an apocalyptic number.

20314334040 is a gapful number since it is divisible by the number (20) 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 20314334040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41140742400).

20314334040 is an abundant number, since it is smaller than the sum of its proper divisors (61967150760).

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

20314334040 is a wasteful number, since it uses less digits than its factorization.

20314334040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13067 (or 13050 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20314334040 its reverse (4043341302), we get a palindrome (24357675342).

The spelling of 20314334040 in words is "twenty billion, three hundred fourteen million, three hundred thirty-four thousand, forty".