80020354653 has 24 divisors (see below), whose sum is σ = 123732534016. Its totient is φ = 51626030400.

The previous prime is 80020354643. The next prime is 80020354669. The reversal of 80020354653 is 35645302008.

It is a happy number.

It is not a de Polignac number, because 80020354653 - 2⁴ = 80020354637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80020354613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5303788 + ... + 5318853.

Almost surely, 2^80020354653 is an apocalyptic number.

It is an amenable number.

80020354653 is a deficient number, since it is larger than the sum of its proper divisors (43712179363).

80020354653 is a wasteful number, since it uses less digits than its factorization.

80020354653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622687 (or 10622675 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 80020354653 in words is "eighty billion, twenty million, three hundred fifty-four thousand, six hundred fifty-three".