420405222330130 has 16 divisors (see below), whose sum is σ = 756735740694360. Its totient is φ = 168160679932032.

The previous prime is 420405222330089. The next prime is 420405222330151. The reversal of 420405222330130 is 31033222504024.

It can be written as a sum of positive squares in 4 ways, for example, as 355518604750401 + 64886617579729 = 18855201^2 + 8055223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420405222330092 and 420405222330101.

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, 174871419 + ... + 177259198.

Almost surely, 2^{420405222330130} is an apocalyptic number.

420405222330130 is a deficient number, since it is larger than the sum of its proper divisors (336330518364230).

420405222330130 is a wasteful number, since it uses less digits than its factorization.

420405222330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352250013.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 420405222330130 its reverse (31033222504024), we get a palindrome (451438444834154).

The spelling of 420405222330130 in words is "four hundred twenty trillion, four hundred five billion, two hundred twenty-two million, three hundred thirty thousand, one hundred thirty".