20314203642 has 24 divisors (see below), whose sum is σ = 44038010016. Its totient is φ = 6767723976.

The previous prime is 20314203641. The next prime is 20314203643. The reversal of 20314203642 is 24630241302.

20314203642 is a `hidden beast` number, since 2 + 0 + 3 + 14 + 2 + 0 + 3 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (20314203641) and next prime (20314203643).

It is not an unprimeable number, because it can be changed into a prime (20314203641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272268 + ... + 338759.

It is an arithmetic number, because the mean of its divisors is an integer number (1834917084).

Almost surely, 2^20314203642 is an apocalyptic number.

20314203642 is an abundant number, since it is smaller than the sum of its proper divisors (23723806374).

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

20314203642 is a wasteful number, since it uses less digits than its factorization.

20314203642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612882 (or 612879 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20314203642 its reverse (24630241302), we get a palindrome (44944444944).

The spelling of 20314203642 in words is "twenty billion, three hundred fourteen million, two hundred three thousand, six hundred forty-two".