20575759448 has 16 divisors (see below), whose sum is σ = 38606568000. Its totient is φ = 10280674656.

The previous prime is 20575759441. The next prime is 20575759453. The reversal of 20575759448 is 84495757502.

It is a super-2 number, since 2×20575759448² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20575759393 and 20575759402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20575759441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888488 + ... + 911351.

It is an arithmetic number, because the mean of its divisors is an integer number (2412910500).

Almost surely, 2^20575759448 is an apocalyptic number.

It is an amenable number.

20575759448 is a deficient number, since it is larger than the sum of its proper divisors (18030808552).

20575759448 is a wasteful number, since it uses less digits than its factorization.

20575759448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801274 (or 1801270 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 20575759448 in words is "twenty billion, five hundred seventy-five million, seven hundred fifty-nine thousand, four hundred forty-eight".