200001232420 has 48 divisors (see below), whose sum is σ = 458268048000. Its totient is φ = 72714481920.

The previous prime is 200001232391. The next prime is 200001232433. The reversal of 200001232420 is 24232100002.

It is a junction number, because it is equal to n+sod(n) for n = 200001232394 and 200001232403.

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, 1171681 + ... + 1331479.

It is an arithmetic number, because the mean of its divisors is an integer number (9547251000).

Almost surely, 2^200001232420 is an apocalyptic number.

200001232420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001232420 is an abundant number, since it is smaller than the sum of its proper divisors (258266815580).

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

200001232420 is a wasteful number, since it uses less digits than its factorization.

200001232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165508 (or 165506 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 200001232420 its reverse (24232100002), we get a palindrome (224233332422).

The spelling of 200001232420 in words is "two hundred billion, one million, two hundred thirty-two thousand, four hundred twenty".