8020402043 has 8 divisors (see below), whose sum is σ = 8130560256. Its totient is φ = 7910865000.

The previous prime is 8020401979. The next prime is 8020402063. The reversal of 8020402043 is 3402040208.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8020402043 - 2⁶ = 8020401979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8020402063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129263 + ... + 180968.

It is an arithmetic number, because the mean of its divisors is an integer number (1016320032).

Almost surely, 2^8020402043 is an apocalyptic number.

8020402043 is a deficient number, since it is larger than the sum of its proper divisors (110158213).

8020402043 is a wasteful number, since it uses less digits than its factorization.

8020402043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310585.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 8020402043 is about 89556.6973654120. The cubic root of 8020402043 is about 2001.6987270048.

The spelling of 8020402043 in words is "eight billion, twenty million, four hundred two thousand, forty-three".