20450861102 has 32 divisors (see below), whose sum is σ = 36602122752. Its totient is φ = 8379179424.

The previous prime is 20450861089. The next prime is 20450861113. The reversal of 20450861102 is 20116805402.

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, 637028 + ... + 668360.

It is an arithmetic number, because the mean of its divisors is an integer number (1143816336).

Almost surely, 2^20450861102 is an apocalyptic number.

20450861102 is a deficient number, since it is larger than the sum of its proper divisors (16151261650).

20450861102 is a wasteful number, since it uses less digits than its factorization.

20450861102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33392.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 20450861102 in words is "twenty billion, four hundred fifty million, eight hundred sixty-one thousand, one hundred two".