20833024136 has 32 divisors (see below), whose sum is σ = 42060708000. Its totient is φ = 9637606656.

The previous prime is 20833024087. The next prime is 20833024139. The reversal of 20833024136 is 63142033802.

It is not an unprimeable number, because it can be changed into a prime (20833024139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290146 + ... + 1306193.

It is an arithmetic number, because the mean of its divisors is an integer number (1314397125).

Almost surely, 2^20833024136 is an apocalyptic number.

It is an amenable number.

20833024136 is an abundant number, since it is smaller than the sum of its proper divisors (21227683864).

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

20833024136 is a wasteful number, since it uses less digits than its factorization.

20833024136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596421 (or 2596417 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 20833024136 its reverse (63142033802), we get a palindrome (83975057938).

The spelling of 20833024136 in words is "twenty billion, eight hundred thirty-three million, twenty-four thousand, one hundred thirty-six".