20773099534 has 32 divisors (see below), whose sum is σ = 35120726784. Its totient is φ = 9133145280.

The previous prime is 20773099499. The next prime is 20773099583. The reversal of 20773099534 is 43599037702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9159 + ... + 204034.

It is an arithmetic number, because the mean of its divisors is an integer number (1097522712).

Almost surely, 2^20773099534 is an apocalyptic number.

20773099534 is a deficient number, since it is larger than the sum of its proper divisors (14347627250).

20773099534 is a wasteful number, since it uses less digits than its factorization.

20773099534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213352.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 20773099534 in words is "twenty billion, seven hundred seventy-three million, ninety-nine thousand, five hundred thirty-four".