10205999994 has 8 divisors (see below), whose sum is σ = 20412000000. Its totient is φ = 3401999996.

The previous prime is 10205999983. The next prime is 10206000001. The reversal of 10205999994 is 49999950201.

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

10205999994 is an admirable number.

It is a Curzon number.

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, 850499994 + ... + 850500005.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500000).

Almost surely, 2^10205999994 is an apocalyptic number.

10205999994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10205999994 is a wasteful number, since it uses less digits than its factorization.

10205999994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701000004.

The product of its (nonzero) digits is 2361960, while the sum is 57.

The spelling of 10205999994 in words is "ten billion, two hundred five million, nine hundred ninety-nine thousand, nine hundred ninety-four".