80020743 has 16 divisors (see below), whose sum is σ = 118872576. Its totient is φ = 47464640.

The previous prime is 80020739. The next prime is 80020747. The reversal of 80020743 is 34702008.

It is an interprime number because it is at equal distance from previous prime (80020739) and next prime (80020747).

It is a cyclic number.

It is not a de Polignac number, because 80020743 - 2² = 80020739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80020747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24246 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (7429536).

Almost surely, 2^80020743 is an apocalyptic number.

80020743 is a deficient number, since it is larger than the sum of its proper divisors (38851833).

80020743 is a wasteful number, since it uses less digits than its factorization.

80020743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51654.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 80020743 is about 8945.4314037949. The cubic root of 80020743 is about 430.9241759871.

The spelling of 80020743 in words is "eighty million, twenty thousand, seven hundred forty-three".