1220010108 has 24 divisors (see below), whose sum is σ = 2874878160. Its totient is φ = 402643200.

The previous prime is 1220010107. The next prime is 1220010149. The reversal of 1220010108 is 8010100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502093 + ... + 504516.

It is an arithmetic number, because the mean of its divisors is an integer number (119786590).

Almost surely, 2^1220010108 is an apocalyptic number.

It is an amenable number.

1220010108 is an abundant number, since it is smaller than the sum of its proper divisors (1654868052).

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

1220010108 is a wasteful number, since it uses less digits than its factorization.

1220010108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006717 (or 1006715 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1220010108 is about 34928.6430884453. The cubic root of 1220010108 is about 1068.5326811512.

Adding to 1220010108 its reverse (8010100221), we get a palindrome (9230110329).

The spelling of 1220010108 in words is "one billion, two hundred twenty million, ten thousand, one hundred eight".