1652541220 has 48 divisors (see below), whose sum is σ = 3916382400. Its totient is φ = 580200320.

The previous prime is 1652541217. The next prime is 1652541227. The reversal of 1652541220 is 221452561.

It is not an unprimeable number, because it can be changed into a prime (1652541227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123130 + ... + 135889.

It is an arithmetic number, because the mean of its divisors is an integer number (81591300).

Almost surely, 2^1652541220 is an apocalyptic number.

1652541220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1652541220 is an abundant number, since it is smaller than the sum of its proper divisors (2263841180).

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

1652541220 is a wasteful number, since it uses less digits than its factorization.

1652541220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259068 (or 259066 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1652541220 is about 40651.4602443750. The cubic root of 1652541220 is about 1182.2720802348.

Adding to 1652541220 its reverse (221452561), we get a palindrome (1873993781).

It can be divided in two parts, 165 and 2541220, that added together give a triangular number (2541385 = T₂₂₅₄).

The spelling of 1652541220 in words is "one billion, six hundred fifty-two million, five hundred forty-one thousand, two hundred twenty".