20322513542 has 16 divisors (see below), whose sum is σ = 31953498192. Its totient is φ = 9682874880.

The previous prime is 20322513529. The next prime is 20322513557. The reversal of 20322513542 is 24531522302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878283 + ... + 2885334.

It is an arithmetic number, because the mean of its divisors is an integer number (1997093637).

Almost surely, 2^20322513542 is an apocalyptic number.

20322513542 is a deficient number, since it is larger than the sum of its proper divisors (11630984650).

20322513542 is a wasteful number, since it uses less digits than its factorization.

20322513542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763703.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 20322513542 in words is "twenty billion, three hundred twenty-two million, five hundred thirteen thousand, five hundred forty-two".