20130122005 has 8 divisors (see below), whose sum is σ = 27607024512. Its totient is φ = 13803512208.

The previous prime is 20130121969. The next prime is 20130122021. The reversal of 20130122005 is 50022103102.

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 20130122005 - 2¹⁹ = 20129597717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20130122005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287573137 + ... + 287573206.

It is an arithmetic number, because the mean of its divisors is an integer number (3450878064).

Almost surely, 2^20130122005 is an apocalyptic number.

It is an amenable number.

20130122005 is a deficient number, since it is larger than the sum of its proper divisors (7476902507).

20130122005 is an equidigital number, since it uses as much as digits as its factorization.

20130122005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575146355.

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 20130122005 its reverse (50022103102), we get a palindrome (70152225107).

The spelling of 20130122005 in words is "twenty billion, one hundred thirty million, one hundred twenty-two thousand, five".