20203115413 has 16 divisors (see below), whose sum is σ = 21922540416. Its totient is φ = 18507672000.

The previous prime is 20203115411. The next prime is 20203115483. The reversal of 20203115413 is 31451130202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20203115413 - 2¹ = 20203115411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203115411) 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, 1410538 + ... + 1424788.

It is an arithmetic number, because the mean of its divisors is an integer number (1370158776).

Almost surely, 2^20203115413 is an apocalyptic number.

It is an amenable number.

20203115413 is a deficient number, since it is larger than the sum of its proper divisors (1719425003).

20203115413 is a wasteful number, since it uses less digits than its factorization.

20203115413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15084.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20203115413 its reverse (31451130202), we get a palindrome (51654245615).

The spelling of 20203115413 in words is "twenty billion, two hundred three million, one hundred fifteen thousand, four hundred thirteen".