1652044020 has 192 divisors, whose sum is σ = 5418959616. Its totient is φ = 371589120.

The previous prime is 1652043997. The next prime is 1652044027. The reversal of 1652044020 is 204402561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652044027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 818052 + ... + 820068.

It is an arithmetic number, because the mean of its divisors is an integer number (28223748).

Almost surely, 2^1652044020 is an apocalyptic number.

1652044020 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 1652044020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709479808).

1652044020 is an abundant number, since it is smaller than the sum of its proper divisors (3766915596).

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

1652044020 is a wasteful number, since it uses less digits than its factorization.

1652044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1652044020 is about 40645.3443828441. The cubic root of 1652044020 is about 1182.1534982928.

Adding to 1652044020 its reverse (204402561), we get a palindrome (1856446581).

The spelling of 1652044020 in words is "one billion, six hundred fifty-two million, forty-four thousand, twenty".