220770004 has 48 divisors (see below), whose sum is σ = 476759808. Its totient is φ = 87107328.

The previous prime is 220770001. The next prime is 220770013. The reversal of 220770004 is 400077022.

220770004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220770001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224097 + ... + 225079.

It is an arithmetic number, because the mean of its divisors is an integer number (9932496).

Almost surely, 2^220770004 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 220770004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238379904).

220770004 is an abundant number, since it is smaller than the sum of its proper divisors (255989804).

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

220770004 is a wasteful number, since it uses less digits than its factorization.

220770004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 220770004 is about 14858.3311310524. The cubic root of 220770004 is about 604.3845518329.

The spelling of 220770004 in words is "two hundred twenty million, seven hundred seventy thousand, four".