20924691339 has 8 divisors (see below), whose sum is σ = 28022495040. Its totient is φ = 13888340936.

The previous prime is 20924691313. The next prime is 20924691367. The reversal of 20924691339 is 93319642902.

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

It is a cyclic number.

It is not a de Polignac number, because 20924691339 - 2⁸ = 20924691083 is a prime.

It is a super-2 number, since 2×20924691339² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20924691539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15362529 + ... + 15363890.

It is an arithmetic number, because the mean of its divisors is an integer number (3502811880).

Almost surely, 2^20924691339 is an apocalyptic number.

20924691339 is a deficient number, since it is larger than the sum of its proper divisors (7097803701).

20924691339 is a wasteful number, since it uses less digits than its factorization.

20924691339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30726649.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 20924691339 in words is "twenty billion, nine hundred twenty-four million, six hundred ninety-one thousand, three hundred thirty-nine".