20244973375 has 64 divisors (see below), whose sum is σ = 27940184064. Its totient is φ = 14523600000.

The previous prime is 20244973373. The next prime is 20244973387. The reversal of 20244973375 is 57337944202.

It is a happy number.

It is not a de Polignac number, because 20244973375 - 2¹ = 20244973373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244973373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41231880 + ... + 41232370.

It is an arithmetic number, because the mean of its divisors is an integer number (436565376).

Almost surely, 2^20244973375 is an apocalyptic number.

20244973375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20244973375 is a deficient number, since it is larger than the sum of its proper divisors (7695210689).

20244973375 is a wasteful number, since it uses less digits than its factorization.

20244973375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 20244973375 in words is "twenty billion, two hundred forty-four million, nine hundred seventy-three thousand, three hundred seventy-five".