20213000031203 has 16 divisors (see below), whose sum is σ = 23118791554560. Its totient is φ = 17311766000256.

The previous prime is 20213000031193. The next prime is 20213000031239. The reversal of 20213000031203 is 30213000031202.

It is not a de Polignac number, because 20213000031203 - 2¹⁸ = 20212999769059 is a prime.

It is a super-2 number, since 2×20213000031203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20213000031703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104004026 + ... + 104198192.

It is an arithmetic number, because the mean of its divisors is an integer number (1444924472160).

Almost surely, 2^{20213000031203} is an apocalyptic number.

20213000031203 is a deficient number, since it is larger than the sum of its proper divisors (2905791523357).

20213000031203 is a wasteful number, since it uses less digits than its factorization.

20213000031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205826.

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

Adding to 20213000031203 its reverse (30213000031202), we get a palindrome (50426000062405).

Subtracting 20213000031203 from its reverse (30213000031202), we obtain a palindrome (9999999999999).

The spelling of 20213000031203 in words is "twenty trillion, two hundred thirteen billion, thirty-one thousand, two hundred three".