42020320826 has 48 divisors (see below), whose sum is σ = 74421957600. Its totient is φ = 17637285120.

The previous prime is 42020320819. The next prime is 42020320841. The reversal of 42020320826 is 62802302024.

42020320826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274625 + ... + 399323.

It is an arithmetic number, because the mean of its divisors is an integer number (1550457450).

Almost surely, 2^42020320826 is an apocalyptic number.

42020320826 is a deficient number, since it is larger than the sum of its proper divisors (32401636774).

42020320826 is a wasteful number, since it uses less digits than its factorization.

42020320826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124799 (or 124782 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 42020320826 in words is "forty-two billion, twenty million, three hundred twenty thousand, eight hundred twenty-six".