20693003399 has 8 divisors (see below), whose sum is σ = 21004623360. Its totient is φ = 20381465016.

The previous prime is 20693003371. The next prime is 20693003413. The reversal of 20693003399 is 99330039602.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20693003399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20693000399) 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, 659972 + ... + 690614.

It is an arithmetic number, because the mean of its divisors is an integer number (2625577920).

Almost surely, 2^20693003399 is an apocalyptic number.

20693003399 is a deficient number, since it is larger than the sum of its proper divisors (311619961).

20693003399 is a wasteful number, since it uses less digits than its factorization.

20693003399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40789.

The product of its (nonzero) digits is 236196, while the sum is 44.

The spelling of 20693003399 in words is "twenty billion, six hundred ninety-three million, three thousand, three hundred ninety-nine".