7485532020 has 144 divisors (see below), whose sum is σ = 23359207872. Its totient is φ = 1939230720.

The previous prime is 7485531971. The next prime is 7485532027. The reversal of 7485532020 is 202355847.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7485532027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1491315 + ... + 1496325.

Almost surely, 2^7485532020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7485532020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11679603936).

7485532020 is an abundant number, since it is smaller than the sum of its proper divisors (15873675852).

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

7485532020 is a wasteful number, since it uses less digits than its factorization.

7485532020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262 (or 5257 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 7485532020 is about 86518.9691339420. The cubic root of 7485532020 is about 1956.1743386579.

Adding to 7485532020 its reverse (202355847), we get a palindrome (7687887867).

The spelling of 7485532020 in words is "seven billion, four hundred eighty-five million, five hundred thirty-two thousand, twenty".