20022424013 has 8 divisors (see below), whose sum is σ = 20300298936. Its totient is φ = 19744646400.

The previous prime is 20022423947. The next prime is 20022424027. The reversal of 20022424013 is 31042422002.

It can be written as a sum of positive squares in 4 ways, for example, as 14998166089 + 5024257924 = 122467^2 + 70882^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20022424013 - 2¹⁰ = 20022422989 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 (20022424613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455003 + ... + 497063.

It is an arithmetic number, because the mean of its divisors is an integer number (2537537367).

Almost surely, 2^20022424013 is an apocalyptic number.

It is an amenable number.

20022424013 is a deficient number, since it is larger than the sum of its proper divisors (277874923).

20022424013 is an equidigital number, since it uses as much as digits as its factorization.

20022424013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48655.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20022424013 its reverse (31042422002), we get a palindrome (51064846015).

The spelling of 20022424013 in words is "twenty billion, twenty-two million, four hundred twenty-four thousand, thirteen".