20413023213 has 16 divisors (see below), whose sum is σ = 29740136256. Its totient is φ = 12351335040.

The previous prime is 20413023203. The next prime is 20413023223. The reversal of 20413023213 is 31232031402.

It is an interprime number because it is at equal distance from previous prime (20413023203) and next prime (20413023223).

It is not a de Polignac number, because 20413023213 - 2⁶ = 20413023149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20413023213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413023203) 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, 484320 + ... + 524777.

It is an arithmetic number, because the mean of its divisors is an integer number (1858758516).

Almost surely, 2^20413023213 is an apocalyptic number.

It is an amenable number.

20413023213 is a deficient number, since it is larger than the sum of its proper divisors (9327113043).

20413023213 is a wasteful number, since it uses less digits than its factorization.

20413023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009724.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20413023213 its reverse (31232031402), we get a palindrome (51645054615).

The spelling of 20413023213 in words is "twenty billion, four hundred thirteen million, twenty-three thousand, two hundred thirteen".