20314443442 has 8 divisors (see below), whose sum is σ = 30472368300. Its totient is φ = 10156987344.

The previous prime is 20314443419. The next prime is 20314443449. The reversal of 20314443442 is 24434441302.

It can be written as a sum of positive squares in 2 ways, for example, as 20024797081 + 289646361 = 141509^2 + 17019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20314443442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20314443449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26284 + ... + 203272.

Almost surely, 2^20314443442 is an apocalyptic number.

20314443442 is a deficient number, since it is larger than the sum of its proper divisors (10157924858).

20314443442 is a wasteful number, since it uses less digits than its factorization.

20314443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234380.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20314443442 its reverse (24434441302), we get a palindrome (44748884744).

The spelling of 20314443442 in words is "twenty billion, three hundred fourteen million, four hundred forty-three thousand, four hundred forty-two".