20314400043 has 16 divisors (see below), whose sum is σ = 31791906560. Its totient is φ = 11294492256.

The previous prime is 20314400039. The next prime is 20314400063. The reversal of 20314400043 is 34000441302.

It is not a de Polignac number, because 20314400043 - 2² = 20314400039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20314399992 and 20314400019.

It is not an unprimeable number, because it can be changed into a prime (20314400033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13071553 + ... + 13073106.

It is an arithmetic number, because the mean of its divisors is an integer number (1986994160).

Almost surely, 2^20314400043 is an apocalyptic number.

20314400043 is a deficient number, since it is larger than the sum of its proper divisors (11477506517).

20314400043 is a wasteful number, since it uses less digits than its factorization.

20314400043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26144706.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20314400043 its reverse (34000441302), we get a palindrome (54314841345).

The spelling of 20314400043 in words is "twenty billion, three hundred fourteen million, four hundred thousand, forty-three".