20828437762 has 16 divisors (see below), whose sum is σ = 34279915392. Its totient is φ = 9412744720.

The previous prime is 20828437753. The next prime is 20828437781. The reversal of 20828437762 is 26773482802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732458 + ... + 2740069.

It is an arithmetic number, because the mean of its divisors is an integer number (2142494712).

Almost surely, 2^20828437762 is an apocalyptic number.

20828437762 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20828437762 is a deficient number, since it is larger than the sum of its proper divisors (13451477630).

20828437762 is a wasteful number, since it uses less digits than its factorization.

20828437762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472713.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 20828437762 in words is "twenty billion, eight hundred twenty-eight million, four hundred thirty-seven thousand, seven hundred sixty-two".