1043120220 has 24 divisors (see below), whose sum is σ = 2920736784. Its totient is φ = 278165376.

The previous prime is 1043120201. The next prime is 1043120257. The reversal of 1043120220 is 220213401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1043120220.

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, 8692609 + ... + 8692728.

It is an arithmetic number, because the mean of its divisors is an integer number (121697366).

Almost surely, 2^1043120220 is an apocalyptic number.

1043120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043120220 is an abundant number, since it is smaller than the sum of its proper divisors (1877616564).

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

1043120220 is a wasteful number, since it uses less digits than its factorization.

1043120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385349 (or 17385347 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1043120220 is about 32297.3717196926. The cubic root of 1043120220 is about 1014.1716230480.

Adding to 1043120220 its reverse (220213401), we get a palindrome (1263333621).

The spelling of 1043120220 in words is "one billion, forty-three million, one hundred twenty thousand, two hundred twenty".