1541200220 has 96 divisors (see below), whose sum is σ = 3833923968. Its totient is φ = 509386752.

The previous prime is 1541200207. The next prime is 1541200231. The reversal of 1541200220 is 220021451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584024 + ... + 586656.

It is an arithmetic number, because the mean of its divisors is an integer number (39936708).

Almost surely, 2^1541200220 is an apocalyptic number.

1541200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1541200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1916961984).

1541200220 is an abundant number, since it is smaller than the sum of its proper divisors (2292723748).

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

1541200220 is a wasteful number, since it uses less digits than its factorization.

1541200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2797 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1541200220 is about 39258.1229811105. The cubic root of 1541200220 is about 1155.1002755215.

Adding to 1541200220 its reverse (220021451), we get a palindrome (1761221671).

The spelling of 1541200220 in words is "one billion, five hundred forty-one million, two hundred thousand, two hundred twenty".