20031001330 has 8 divisors (see below), whose sum is σ = 36055802412. Its totient is φ = 8012400528.

The previous prime is 20031001327. The next prime is 20031001337. The reversal of 20031001330 is 3310013002.

It can be written as a sum of positive squares in 2 ways, for example, as 17280942849 + 2750058481 = 131457^2 + 52441^2 .

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 20031001330.

It is not an unprimeable number, because it can be changed into a prime (20031001337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001550057 + ... + 1001550076.

Almost surely, 2^20031001330 is an apocalyptic number.

20031001330 is a deficient number, since it is larger than the sum of its proper divisors (16024801082).

20031001330 is a wasteful number, since it uses less digits than its factorization.

20031001330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003100140.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20031001330 its reverse (3310013002), we get a palindrome (23341014332).

The spelling of 20031001330 in words is "twenty billion, thirty-one million, one thousand, three hundred thirty".