20770824236 has 24 divisors (see below), whose sum is σ = 37345410480. Its totient is φ = 10100918592.

The previous prime is 20770824233. The next prime is 20770824241. The reversal of 20770824236 is 63242807702.

It is a junction number, because it is equal to n+sod(n) for n = 20770824193 and 20770824202.

It is not an unprimeable number, because it can be changed into a prime (20770824233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389810 + ... + 439878.

It is an arithmetic number, because the mean of its divisors is an integer number (1556058770).

Almost surely, 2^20770824236 is an apocalyptic number.

It is an amenable number.

20770824236 is a deficient number, since it is larger than the sum of its proper divisors (16574586244).

20770824236 is a wasteful number, since it uses less digits than its factorization.

20770824236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52913 (or 52911 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 20770824236 in words is "twenty billion, seven hundred seventy million, eight hundred twenty-four thousand, two hundred thirty-six".