20201413 has 4 divisors (see below), whose sum is σ = 20235628. Its totient is φ = 20167200.

The previous prime is 20201407. The next prime is 20201437. The reversal of 20201413 is 31410202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31410202 = 2 ⋅15705101.

It can be written as a sum of positive squares in 2 ways, for example, as 11068929 + 9132484 = 3327^2 + 3022^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201413 - 2⁵ = 20201381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201393 and 20201402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16206 + ... + 17407.

It is an arithmetic number, because the mean of its divisors is an integer number (5058907).

Almost surely, 2^20201413 is an apocalyptic number.

It is an amenable number.

20201413 is a deficient number, since it is larger than the sum of its proper divisors (34215).

20201413 is an equidigital number, since it uses as much as digits as its factorization.

20201413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34214.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20201413 is about 4494.5982022868. The cubic root of 20201413 is about 272.3499181980.

Adding to 20201413 its reverse (31410202), we get a palindrome (51611615).

The spelling of 20201413 in words is "twenty million, two hundred one thousand, four hundred thirteen".