1043201555220 has 48 divisors (see below), whose sum is σ = 3186506570688. Its totient is φ = 252897346560.

The previous prime is 1043201555213. The next prime is 1043201555233. The reversal of 1043201555220 is 225551023401.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790303549 + ... + 790304868.

It is an arithmetic number, because the mean of its divisors is an integer number (66385553556).

Almost surely, 2^{1043201555220} is an apocalyptic number.

1043201555220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043201555220 is an abundant number, since it is smaller than the sum of its proper divisors (2143305015468).

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

1043201555220 is a wasteful number, since it uses less digits than its factorization.

1043201555220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580608440 (or 1580608438 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1043201555220 its reverse (225551023401), we get a palindrome (1268752578621).

The spelling of 1043201555220 in words is "one trillion, forty-three billion, two hundred one million, five hundred fifty-five thousand, two hundred twenty".