200007420437520 has 60 divisors (see below), whose sum is σ = 671691586971756. Its totient is φ = 53335312116480.

The previous prime is 200007420437519. The next prime is 200007420437537. The reversal of 200007420437520 is 25734024700002.

It is a happy number.

200007420437520 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 0 + 74 + 20 + 43 + 7 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 159685479235584 + 40321941201936 = 12636672^2 + 6349956^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 138894041251 + ... + 138894042690.

Almost surely, 2^{200007420437520} is an apocalyptic number.

200007420437520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200007420437520 is an abundant number, since it is smaller than the sum of its proper divisors (471684166534236).

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

200007420437520 is a wasteful number, since it uses less digits than its factorization.

200007420437520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277788083960 (or 277788083951 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The spelling of 200007420437520 in words is "two hundred trillion, seven billion, four hundred twenty million, four hundred thirty-seven thousand, five hundred twenty".