22020146230460 has 48 divisors (see below), whose sum is σ = 52848625690560. Its totient is φ = 7549725173760.

The previous prime is 22020146230391. The next prime is 22020146230541. The reversal of 22020146230460 is 6403264102022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43081676 + ... + 43589804.

It is an arithmetic number, because the mean of its divisors is an integer number (1101013035220).

Almost surely, 2^{22020146230460} is an apocalyptic number.

22020146230460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020146230460 is an abundant number, since it is smaller than the sum of its proper divisors (30828479460100).

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

22020146230460 is a wasteful number, since it uses less digits than its factorization.

22020146230460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817686 (or 817684 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 22020146230460 in words is "twenty-two trillion, twenty billion, one hundred forty-six million, two hundred thirty thousand, four hundred sixty".