20000002331 has 8 divisors (see below), whose sum is σ = 20153011200. Its totient is φ = 19847389608.

The previous prime is 20000002313. The next prime is 20000002339. The reversal of 20000002331 is 13320000002.

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-20000002331 is a prime.

It is a super-2 number, since 2×20000002331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000002339) 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, 2720 + ... + 200018.

It is an arithmetic number, because the mean of its divisors is an integer number (2519126400).

Almost surely, 2^20000002331 is an apocalyptic number.

20000002331 is a deficient number, since it is larger than the sum of its proper divisors (153008869).

20000002331 is a wasteful number, since it uses less digits than its factorization.

20000002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198073.

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20000002331 its reverse (13320000002), we get a palindrome (33320002333).

The spelling of 20000002331 in words is "twenty billion, two thousand, three hundred thirty-one".