20314443405 has 16 divisors (see below), whose sum is σ = 33116376960. Its totient is φ = 10629947328.

The previous prime is 20314443337. The next prime is 20314443419. The reversal of 20314443405 is 50434441302.

It is not a de Polignac number, because 20314443405 - 2¹⁶ = 20314377869 is a prime.

It is a super-2 number, since 2×20314443405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12775585 + ... + 12777174.

It is an arithmetic number, because the mean of its divisors is an integer number (2069773560).

Almost surely, 2^20314443405 is an apocalyptic number.

It is an amenable number.

20314443405 is a deficient number, since it is larger than the sum of its proper divisors (12801933555).

20314443405 is a wasteful number, since it uses less digits than its factorization.

20314443405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25552820.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20314443405 its reverse (50434441302), we get a palindrome (70748884707).

The spelling of 20314443405 in words is "twenty billion, three hundred fourteen million, four hundred forty-three thousand, four hundred five".