20244863694 has 32 divisors (see below), whose sum is σ = 44261381376. Its totient is φ = 6122200320.

The previous prime is 20244863623. The next prime is 20244863699. The reversal of 20244863694 is 49636844202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244863699) 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 15 ways as a sum of consecutive naturals, for example, 282787 + ... + 347070.

It is an arithmetic number, because the mean of its divisors is an integer number (1383168168).

Almost surely, 2^20244863694 is an apocalyptic number.

20244863694 is an abundant number, since it is smaller than the sum of its proper divisors (24016517682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20244863694 is a wasteful number, since it uses less digits than its factorization.

20244863694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630360.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 20244863694 in words is "twenty billion, two hundred forty-four million, eight hundred sixty-three thousand, six hundred ninety-four".