20203203332013 has 16 divisors (see below), whose sum is σ = 29442708878016. Its totient is φ = 12247177219200.

The previous prime is 20203203332009. The next prime is 20203203332029. The reversal of 20203203332013 is 31023330230202.

It is not a de Polignac number, because 20203203332013 - 2² = 20203203332009 is a prime.

It is a super-2 number, since 2×20203203332013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203203332413) 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, 3865899288 + ... + 3865904513.

It is an arithmetic number, because the mean of its divisors is an integer number (1840169304876).

Almost surely, 2^{20203203332013} is an apocalyptic number.

It is an amenable number.

20203203332013 is a deficient number, since it is larger than the sum of its proper divisors (9239505546003).

20203203332013 is a wasteful number, since it uses less digits than its factorization.

20203203332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7731803884.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20203203332013 its reverse (31023330230202), we get a palindrome (51226533562215).

The spelling of 20203203332013 in words is "twenty trillion, two hundred three billion, two hundred three million, three hundred thirty-two thousand, thirteen".