20131003030220 has 12 divisors (see below), whose sum is σ = 42275106363504. Its totient is φ = 8052401212080.

The previous prime is 20131003030219. The next prime is 20131003030231. The reversal of 20131003030220 is 2203030013102.

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, 503275075736 + ... + 503275075775.

It is an arithmetic number, because the mean of its divisors is an integer number (3522925530292).

Almost surely, 2^{20131003030220} is an apocalyptic number.

20131003030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131003030220 is an abundant number, since it is smaller than the sum of its proper divisors (22144103333284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20131003030220 is a wasteful number, since it uses less digits than its factorization.

20131003030220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006550151520 (or 1006550151518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20131003030220 its reverse (2203030013102), we get a palindrome (22334033043322).

The spelling of 20131003030220 in words is "twenty trillion, one hundred thirty-one billion, three million, thirty thousand, two hundred twenty".