22420420513 has 8 divisors (see below), whose sum is σ = 22625888256. Its totient is φ = 22215076800.

The previous prime is 22420420511. The next prime is 22420420537. The reversal of 22420420513 is 31502402422.

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

It is not a de Polignac number, because 22420420513 - 2¹ = 22420420511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22420420511) 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, 353928 + ... + 412438.

It is an arithmetic number, because the mean of its divisors is an integer number (2828236032).

Almost surely, 2^22420420513 is an apocalyptic number.

It is an amenable number.

22420420513 is a deficient number, since it is larger than the sum of its proper divisors (205467743).

22420420513 is a wasteful number, since it uses less digits than its factorization.

22420420513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62015.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 22420420513 its reverse (31502402422), we get a palindrome (53922822935).

The spelling of 22420420513 in words is "twenty-two billion, four hundred twenty million, four hundred twenty thousand, five hundred thirteen".