80802015420 has 96 divisors (see below), whose sum is σ = 258882494976. Its totient is φ = 18446457600.

The previous prime is 80802015403. The next prime is 80802015431. The reversal of 80802015420 is 2451020808.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227655 + ... + 461985.

It is an arithmetic number, because the mean of its divisors is an integer number (2696692656).

Almost surely, 2^80802015420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80802015420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129441247488).

80802015420 is an abundant number, since it is smaller than the sum of its proper divisors (178080479556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80802015420 is a wasteful number, since it uses less digits than its factorization.

80802015420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235171 (or 235169 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 80802015420 in words is "eighty billion, eight hundred two million, fifteen thousand, four hundred twenty".