420110022525420 has 96 divisors (see below), whose sum is σ = 1178587483557120. Its totient is φ = 111812262693120.

The previous prime is 420110022525409. The next prime is 420110022525449. The reversal of 420110022525420 is 24525220011024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1404764466 + ... + 1405063494.

It is an arithmetic number, because the mean of its divisors is an integer number (12276952953720).

Almost surely, 2^{420110022525420} is an apocalyptic number.

It is an amenable number.

420110022525420 is an abundant number, since it is smaller than the sum of its proper divisors (758477461031700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420110022525420 is a wasteful number, since it uses less digits than its factorization.

420110022525420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344335 (or 344333 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 420110022525420 its reverse (24525220011024), we get a palindrome (444635242536444).

The spelling of 420110022525420 in words is "four hundred twenty trillion, one hundred ten billion, twenty-two million, five hundred twenty-five thousand, four hundred twenty".