528097220 has 48 divisors (see below), whose sum is σ = 1298360448. Its totient is φ = 176643840.

The previous prime is 528097201. The next prime is 528097243. The reversal of 528097220 is 22790825.

528097220 = T₅₀₅₅ + T₅₀₅₆ + ... + T₅₀₉₅.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40262 + ... + 51741.

It is an arithmetic number, because the mean of its divisors is an integer number (27049176).

Almost surely, 2^528097220 is an apocalyptic number.

It is an amenable number.

528097220 is an abundant number, since it is smaller than the sum of its proper divisors (770263228).

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

528097220 is a wasteful number, since it uses less digits than its factorization.

528097220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92060 (or 92058 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 528097220 is about 22980.3659674949. The cubic root of 528097220 is about 808.2976083218.

The spelling of 528097220 in words is "five hundred twenty-eight million, ninety-seven thousand, two hundred twenty".