20105334850 has 24 divisors (see below), whose sum is σ = 37846483920. Its totient is φ = 7945239120.

The previous prime is 20105334827. The next prime is 20105334877. The reversal of 20105334850 is 5843350102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2418180 + ... + 2426479.

It is an arithmetic number, because the mean of its divisors is an integer number (1576936830).

Almost surely, 2^20105334850 is an apocalyptic number.

20105334850 is a deficient number, since it is larger than the sum of its proper divisors (17741149070).

20105334850 is a wasteful number, since it uses less digits than its factorization.

20105334850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844754 (or 4844749 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 20105334850 its reverse (5843350102), we get a palindrome (25948684952).

The spelling of 20105334850 in words is "twenty billion, one hundred five million, three hundred thirty-four thousand, eight hundred fifty".