20450040010 has 64 divisors (see below), whose sum is σ = 40523535360. Its totient is φ = 7396623360.

The previous prime is 20450039989. The next prime is 20450040011. The reversal of 20450040010 is 1004005402.

It is not an unprimeable number, because it can be changed into a prime (20450040011) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 718572 + ... + 746488.

It is an arithmetic number, because the mean of its divisors is an integer number (633180240).

Almost surely, 2^20450040010 is an apocalyptic number.

20450040010 is a deficient number, since it is larger than the sum of its proper divisors (20073495350).

20450040010 is a wasteful number, since it uses less digits than its factorization.

20450040010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28111.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 20450040010 its reverse (1004005402), we get a palindrome (21454045412).

The spelling of 20450040010 in words is "twenty billion, four hundred fifty million, forty thousand, ten".