422422431000020 has 96 divisors (see below), whose sum is σ = 995633025246720. Its totient is φ = 149193917936640.

The previous prime is 422422430999981. The next prime is 422422431000083. The reversal of 422422431000020 is 20000134224224.

It is a congruent number.

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, 40969964 + ... + 50233283.

It is an arithmetic number, because the mean of its divisors is an integer number (10371177346320).

Almost surely, 2^{422422431000020} is an apocalyptic number.

It is an amenable number.

422422431000020 is an abundant number, since it is smaller than the sum of its proper divisors (573210594246700).

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

422422431000020 is a wasteful number, since it uses less digits than its factorization.

422422431000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91203873 (or 91203871 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 422422431000020 its reverse (20000134224224), we get a palindrome (442422565224244).

The spelling of 422422431000020 in words is "four hundred twenty-two trillion, four hundred twenty-two billion, four hundred thirty-one million, twenty", and thus it is an aban number.