20080945190 has 32 divisors (see below), whose sum is σ = 38287033344. Its totient is φ = 7556899840.

The previous prime is 20080945189. The next prime is 20080945219. The reversal of 20080945190 is 9154908002.

It is a super-2 number, since 2×20080945190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 434810 + ... + 478770.

It is an arithmetic number, because the mean of its divisors is an integer number (1196469792).

Almost surely, 2^20080945190 is an apocalyptic number.

20080945190 is a deficient number, since it is larger than the sum of its proper divisors (18206088154).

20080945190 is a wasteful number, since it uses less digits than its factorization.

20080945190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46672.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 20080945190 in words is "twenty billion, eighty million, nine hundred forty-five thousand, one hundred ninety".