8010220420 has 24 divisors (see below), whose sum is σ = 16823752344. Its totient is φ = 3203652096.

The previous prime is 8010220409. The next prime is 8010220447. The reversal of 8010220420 is 240220108.

It can be written as a sum of positive squares in 4 ways, for example, as 1006539076 + 7003681344 = 31726^2 + 83688^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152182 + ... + 197938.

It is an arithmetic number, because the mean of its divisors is an integer number (700989681).

Almost surely, 2^8010220420 is an apocalyptic number.

It is an amenable number.

8010220420 is an abundant number, since it is smaller than the sum of its proper divisors (8813531924).

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

8010220420 is a wasteful number, since it uses less digits than its factorization.

8010220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54519 (or 54517 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 8010220420 is about 89499.8347484508. The cubic root of 8010220420 is about 2000.8513392260.

Adding to 8010220420 its reverse (240220108), we get a palindrome (8250440528).

The spelling of 8010220420 in words is "eight billion, ten million, two hundred twenty thousand, four hundred twenty".