20322989342 has 8 divisors (see below), whose sum is σ = 32088930600. Its totient is φ = 9626679144.

The previous prime is 20322989339. The next prime is 20322989383. The reversal of 20322989342 is 24398922302.

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 = 20322989293 and 20322989302.

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, 267407717 + ... + 267407792.

It is an arithmetic number, because the mean of its divisors is an integer number (4011116325).

Almost surely, 2^20322989342 is an apocalyptic number.

20322989342 is a deficient number, since it is larger than the sum of its proper divisors (11765941258).

20322989342 is a wasteful number, since it uses less digits than its factorization.

20322989342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534815530.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 20322989342 in words is "twenty billion, three hundred twenty-two million, nine hundred eighty-nine thousand, three hundred forty-two".