201584342970 has 24 divisors (see below), whose sum is σ = 524119291956. Its totient is φ = 53755824768.

The previous prime is 201584342933. The next prime is 201584342977. The reversal of 201584342970 is 79243485102.

201584342970 is a `hidden beast` number, since 2 + 0 + 158 + 4 + 3 + 429 + 70 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 186901447041 + 14682895929 = 432321^2 + 121173^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (201584342977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1119912927 + ... + 1119913106.

Almost surely, 2^201584342970 is an apocalyptic number.

201584342970 is an abundant number, since it is smaller than the sum of its proper divisors (322534948986).

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

201584342970 is a wasteful number, since it uses less digits than its factorization.

201584342970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239826046 (or 2239826043 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 201584342970 in words is "two hundred one billion, five hundred eighty-four million, three hundred forty-two thousand, nine hundred seventy".