20933516846 has 8 divisors (see below), whose sum is σ = 34254845784. Its totient is φ = 9515234920.

The previous prime is 20933516837. The next prime is 20933516867. The reversal of 20933516846 is 64861533902.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20933516846.

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, 475761725 + ... + 475761768.

It is an arithmetic number, because the mean of its divisors is an integer number (4281855723).

Almost surely, 2^20933516846 is an apocalyptic number.

20933516846 is a deficient number, since it is larger than the sum of its proper divisors (13321328938).

20933516846 is a wasteful number, since it uses less digits than its factorization.

20933516846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951523506.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 20933516846 in words is "twenty billion, nine hundred thirty-three million, five hundred sixteen thousand, eight hundred forty-six".