20306323942 has 8 divisors (see below), whose sum is σ = 31282715376. Its totient is φ = 9878752152.

The previous prime is 20306323937. The next prime is 20306323963. The reversal of 20306323942 is 24932360302.

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

It is a junction number, because it is equal to n+sod(n) for n = 20306323898 and 20306323907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137204818 + ... + 137204965.

It is an arithmetic number, because the mean of its divisors is an integer number (3910339422).

Almost surely, 2^20306323942 is an apocalyptic number.

20306323942 is a deficient number, since it is larger than the sum of its proper divisors (10976391434).

20306323942 is a wasteful number, since it uses less digits than its factorization.

20306323942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274409822.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 20306323942 in words is "twenty billion, three hundred six million, three hundred twenty-three thousand, nine hundred forty-two".