13220020120203 has 48 divisors (see below), whose sum is σ = 20613550216896. Its totient is φ = 8115994091520.

The previous prime is 13220020120199. The next prime is 13220020120261. The reversal of 13220020120203 is 30202102002231.

13220020120203 is a `hidden beast` number, since 1 + 322 + 0 + 0 + 20 + 120 + 203 = 666.

It is not a de Polignac number, because 13220020120203 - 2² = 13220020120199 is a prime.

It is a super-2 number, since 2×13220020120203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13220020120303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178706143 + ... + 178780103.

It is an arithmetic number, because the mean of its divisors is an integer number (429448962852).

Almost surely, 2^{13220020120203} is an apocalyptic number.

13220020120203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13220020120203 is a deficient number, since it is larger than the sum of its proper divisors (7393530096693).

13220020120203 is a wasteful number, since it uses less digits than its factorization.

13220020120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77604 (or 77601 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13220020120203 its reverse (30202102002231), we get a palindrome (43422122122434).

The spelling of 13220020120203 in words is "thirteen trillion, two hundred twenty billion, twenty million, one hundred twenty thousand, two hundred three".