20824947596 has 6 divisors (see below), whose sum is σ = 36443658300. Its totient is φ = 10412473796.

The previous prime is 20824947553. The next prime is 20824947607. The reversal of 20824947596 is 69574942802.

It is a happy number.

It is a super-2 number, since 2×20824947596² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2603118446 + ... + 2603118453.

It is an arithmetic number, because the mean of its divisors is an integer number (6073943050).

Almost surely, 2^20824947596 is an apocalyptic number.

It is an amenable number.

20824947596 is a deficient number, since it is larger than the sum of its proper divisors (15618710704).

20824947596 is a wasteful number, since it uses less digits than its factorization.

20824947596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206236903 (or 5206236901 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 20824947596 in words is "twenty billion, eight hundred twenty-four million, nine hundred forty-seven thousand, five hundred ninety-six".