422020000400 has 60 divisors (see below), whose sum is σ = 1046609631744. Its totient is φ = 163362576000.

The previous prime is 422020000399. The next prime is 422020000427. The reversal of 422020000400 is 4000020224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17004536 + ... + 17029335.

Almost surely, 2^422020000400 is an apocalyptic number.

422020000400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422020000400 is an abundant number, since it is smaller than the sum of its proper divisors (624589631344).

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

422020000400 is a wasteful number, since it uses less digits than its factorization.

422020000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34033920 (or 34033909 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 422020000400 its reverse (4000020224), we get a palindrome (426020020624).

The spelling of 422020000400 in words is "four hundred twenty-two billion, twenty million, four hundred", and thus it is an aban number.