20001303133203 has 8 divisors (see below), whose sum is σ = 30478176203008. Its totient is φ = 11429316076104.

The previous prime is 20001303133177. The next prime is 20001303133291. The reversal of 20001303133203 is 30233130310002.

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

It is not a de Polignac number, because 20001303133203 - 2⁶ = 20001303133139 is a prime.

It is a super-2 number, since 2×20001303133203² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 952443006343 = 20001303133203 / (2 + 0 + 0 + 0 + 1 + 3 + 0 + 3 + 1 + 3 + 3 + 2 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20001303133203.

It is not an unprimeable number, because it can be changed into a prime (20001303134203) 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, 476221503151 + ... + 476221503192.

It is an arithmetic number, because the mean of its divisors is an integer number (3809772025376).

Almost surely, 2^{20001303133203} is an apocalyptic number.

20001303133203 is a deficient number, since it is larger than the sum of its proper divisors (10476873069805).

20001303133203 is an equidigital number, since it uses as much as digits as its factorization.

20001303133203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952443006353.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20001303133203 its reverse (30233130310002), we get a palindrome (50234433443205).

The spelling of 20001303133203 in words is "twenty trillion, one billion, three hundred three million, one hundred thirty-three thousand, two hundred three".