1541100220 has 48 divisors (see below), whose sum is σ = 3612647808. Its totient is φ = 547364160.

The previous prime is 1541100181. The next prime is 1541100229. The reversal of 1541100220 is 220011451.

It is a junction number, because it is equal to n+sod(n) for n = 1541100194 and 1541100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1541100229) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71994 + ... + 90913.

It is an arithmetic number, because the mean of its divisors is an integer number (75263496).

Almost surely, 2^1541100220 is an apocalyptic number.

1541100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1541100220 is an abundant number, since it is smaller than the sum of its proper divisors (2071547588).

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

1541100220 is a wasteful number, since it uses less digits than its factorization.

1541100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162970 (or 162968 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1541100220 is about 39256.8493386823. The cubic root of 1541100220 is about 1155.0752922813.

Adding to 1541100220 its reverse (220011451), we get a palindrome (1761111671).

It can be divided in two parts, 1541 and 100220, that added together give a square (101761 = 319²).

The spelling of 1541100220 in words is "one billion, five hundred forty-one million, one hundred thousand, two hundred twenty".