20312442342 has 12 divisors (see below), whose sum is σ = 44010291780. Its totient is φ = 6770814108.

The previous prime is 20312442301. The next prime is 20312442377. The reversal of 20312442342 is 24324421302.

20312442342 is a `hidden beast` number, since 2 + 0 + 312 + 4 + 4 + 2 + 342 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564234492 + ... + 564234527.

It is an arithmetic number, because the mean of its divisors is an integer number (3667524315).

Almost surely, 2^20312442342 is an apocalyptic number.

20312442342 is an abundant number, since it is smaller than the sum of its proper divisors (23697849438).

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

20312442342 is a wasteful number, since it uses less digits than its factorization.

20312442342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128469027 (or 1128469024 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20312442342 its reverse (24324421302), we get a palindrome (44636863644).

The spelling of 20312442342 in words is "twenty billion, three hundred twelve million, four hundred forty-two thousand, three hundred forty-two".