8220505710 has 32 divisors (see below), whose sum is σ = 20262438432. Its totient is φ = 2132887680.

The previous prime is 8220505697. The next prime is 8220505763. The reversal of 8220505710 is 175050228.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3701821 + ... + 3704040.

It is an arithmetic number, because the mean of its divisors is an integer number (633201201).

Almost surely, 2^8220505710 is an apocalyptic number.

8220505710 is an abundant number, since it is smaller than the sum of its proper divisors (12041932722).

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

8220505710 is a wasteful number, since it uses less digits than its factorization.

8220505710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7405908.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 8220505710 is about 90667.0045275568. The cubic root of 8220505710 is about 2018.2091854738.

Adding to 8220505710 its reverse (175050228), we get a palindrome (8395555938).

The spelling of 8220505710 in words is "eight billion, two hundred twenty million, five hundred five thousand, seven hundred ten".