80220294 has 160 divisors (see below), whose sum is σ = 229996800. Its totient is φ = 20295360.

The previous prime is 80220227. The next prime is 80220317. The reversal of 80220294 is 49202208.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 735912 + ... + 736020.

It is an arithmetic number, because the mean of its divisors is an integer number (1437480).

Almost surely, 2^80220294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80220294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114998400).

80220294 is an abundant number, since it is smaller than the sum of its proper divisors (149776506).

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

80220294 is a wasteful number, since it uses less digits than its factorization.

80220294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80220294 is about 8956.5782528821. The cubic root of 80220294 is about 431.2820830573.

The spelling of 80220294 in words is "eighty million, two hundred twenty thousand, two hundred ninety-four".