1220141420 has 24 divisors (see below), whose sum is σ = 2563033200. Its totient is φ = 487916352.

The previous prime is 1220141413. The next prime is 1220141477. The reversal of 1220141420 is 241410221.

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, 89411 + ... + 102149.

It is an arithmetic number, because the mean of its divisors is an integer number (106793050).

Almost surely, 2^1220141420 is an apocalyptic number.

1220141420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220141420 is an abundant number, since it is smaller than the sum of its proper divisors (1342891780).

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

1220141420 is a wasteful number, since it uses less digits than its factorization.

1220141420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17537 (or 17535 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1220141420 is about 34930.5227558936. The cubic root of 1220141420 is about 1068.5710158418.

Adding to 1220141420 its reverse (241410221), we get a palindrome (1461551641).

The spelling of 1220141420 in words is "one billion, two hundred twenty million, one hundred forty-one thousand, four hundred twenty".