80020143 has 32 divisors (see below), whose sum is σ = 137182720. Its totient is φ = 45717048.

The previous prime is 80020141. The next prime is 80020147. The reversal of 80020143 is 34102008.

It is a happy number.

It is not a de Polignac number, because 80020143 - 2¹ = 80020141 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 (80020141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12696 + ... + 17922.

It is an arithmetic number, because the mean of its divisors is an integer number (4286960).

Almost surely, 2^80020143 is an apocalyptic number.

80020143 is a deficient number, since it is larger than the sum of its proper divisors (57162577).

80020143 is an frugal number, since it uses more digits than its factorization.

80020143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255 (or 5237 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 80020143 is about 8945.3978670599. The cubic root of 80020143 is about 430.9230989532.

The spelling of 80020143 in words is "eighty million, twenty thousand, one hundred forty-three".