470221020 has 144 divisors (see below), whose sum is σ = 1559271168. Its totient is φ = 114186240.

The previous prime is 470221019. The next prime is 470221027. The reversal of 470221020 is 20122074.

It is a super-2 number, since 2×470221020² = 442215615299680800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 470220984 and 470221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92382 + ... + 97338.

It is an arithmetic number, because the mean of its divisors is an integer number (10828272).

Almost surely, 2^470221020 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 470221020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779635584).

470221020 is an abundant number, since it is smaller than the sum of its proper divisors (1089050148).

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

470221020 is a wasteful number, since it uses less digits than its factorization.

470221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020 (or 5015 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 470221020 is about 21684.5802357343. The cubic root of 470221020 is about 777.6198648268.

Adding to 470221020 its reverse (20122074), we get a palindrome (490343094).

The spelling of 470221020 in words is "four hundred seventy million, two hundred twenty-one thousand, twenty".