20342424213 has 64 divisors (see below), whose sum is σ = 32996160000. Its totient is φ = 12334021632.

The previous prime is 20342424181. The next prime is 20342424229. The reversal of 20342424213 is 31242424302.

20342424213 is a `hidden beast` number, since 2 + 0 + 3 + 424 + 24 + 213 = 666.

It is not a de Polignac number, because 20342424213 - 2⁵ = 20342424181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342404213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2526448 + ... + 2534486.

It is an arithmetic number, because the mean of its divisors is an integer number (515565000).

Almost surely, 2^20342424213 is an apocalyptic number.

It is an amenable number.

20342424213 is a deficient number, since it is larger than the sum of its proper divisors (12653735787).

20342424213 is a wasteful number, since it uses less digits than its factorization.

20342424213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251 (or 8245 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20342424213 its reverse (31242424302), we get a palindrome (51584848515).

The spelling of 20342424213 in words is "twenty billion, three hundred forty-two million, four hundred twenty-four thousand, two hundred thirteen".