20143945202 has 16 divisors (see below), whose sum is σ = 30569458752. Its totient is φ = 9954481200.

The previous prime is 20143945177. The next prime is 20143945231. The reversal of 20143945202 is 20254934102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25163 + ... + 202289.

It is an arithmetic number, because the mean of its divisors is an integer number (1910591172).

Almost surely, 2^20143945202 is an apocalyptic number.

20143945202 is a deficient number, since it is larger than the sum of its proper divisors (10425513550).

20143945202 is a wasteful number, since it uses less digits than its factorization.

20143945202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177793.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20143945202 in words is "twenty billion, one hundred forty-three million, nine hundred forty-five thousand, two hundred two".