20224211513 has 4 divisors (see below), whose sum is σ = 22062776208. Its totient is φ = 18385646820.

The previous prime is 20224211467. The next prime is 20224211533. The reversal of 20224211513 is 31511242202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20224211513 - 2²⁰ = 20223162937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20224211533) 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, 919282331 + ... + 919282352.

It is an arithmetic number, because the mean of its divisors is an integer number (5515694052).

Almost surely, 2^20224211513 is an apocalyptic number.

It is an amenable number.

20224211513 is a deficient number, since it is larger than the sum of its proper divisors (1838564695).

20224211513 is a wasteful number, since it uses less digits than its factorization.

20224211513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838564694.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20224211513 its reverse (31511242202), we get a palindrome (51735453715).

The spelling of 20224211513 in words is "twenty billion, two hundred twenty-four million, two hundred eleven thousand, five hundred thirteen".