1220204110 has 16 divisors (see below), whose sum is σ = 2198718432. Its totient is φ = 487559200.

The previous prime is 1220204099. The next prime is 1220204137. The reversal of 1220204110 is 114020221.

It is a happy number.

It is a super-3 number, since 3×1220204110³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 55426 + ... + 74245.

It is an arithmetic number, because the mean of its divisors is an integer number (137419902).

Almost surely, 2^1220204110 is an apocalyptic number.

1220204110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220204110 is a deficient number, since it is larger than the sum of its proper divisors (978514322).

1220204110 is a wasteful number, since it uses less digits than its factorization.

1220204110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130619.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1220204110 is about 34931.4200970988. The cubic root of 1220204110 is about 1068.5893163351.

Adding to 1220204110 its reverse (114020221), we get a palindrome (1334224331).

The spelling of 1220204110 in words is "one billion, two hundred twenty million, two hundred four thousand, one hundred ten".