20185205002 has 8 divisors (see below), whose sum is σ = 30704255712. Its totient is φ = 9950453100.

The previous prime is 20185204999. The next prime is 20185205023. The reversal of 20185205002 is 20050258102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71074524 + ... + 71074807.

It is an arithmetic number, because the mean of its divisors is an integer number (3838031964).

Almost surely, 2^20185205002 is an apocalyptic number.

20185205002 is a deficient number, since it is larger than the sum of its proper divisors (10519050710).

20185205002 is a wasteful number, since it uses less digits than its factorization.

20185205002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142149404.

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 20185205002 in words is "twenty billion, one hundred eighty-five million, two hundred five thousand, two".