20133240994 has 8 divisors (see below), whose sum is σ = 30241866240. Its totient is φ = 10052618916.

The previous prime is 20133240989. The next prime is 20133241031. The reversal of 20133240994 is 49904233102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6998994 + ... + 7001869.

It is an arithmetic number, because the mean of its divisors is an integer number (3780233280).

Almost surely, 2^20133240994 is an apocalyptic number.

20133240994 is a deficient number, since it is larger than the sum of its proper divisors (10108625246).

20133240994 is a wasteful number, since it uses less digits than its factorization.

20133240994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14001584.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 20133240994 in words is "twenty billion, one hundred thirty-three million, two hundred forty thousand, nine hundred ninety-four".