32452020 has 36 divisors (see below), whose sum is σ = 98438340. Its totient is φ = 8653824.

The previous prime is 32452003. The next prime is 32452037. The reversal of 32452020 is 2025423.

It is an interprime number because it is at equal distance from previous prime (32452003) and next prime (32452037).

It can be written as a sum of positive squares in 2 ways, for example, as 20466576 + 11985444 = 4524^2 + 3462^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32451984 and 32452002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89965 + ... + 90324.

Almost surely, 2^32452020 is an apocalyptic number.

32452020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32452020 is an abundant number, since it is smaller than the sum of its proper divisors (65986320).

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

32452020 is a wasteful number, since it uses less digits than its factorization.

32452020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180304 (or 180299 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 32452020 is about 5696.6674468500. The cubic root of 32452020 is about 318.9680952621.

Adding to 32452020 its reverse (2025423), we get a palindrome (34477443).

The spelling of 32452020 in words is "thirty-two million, four hundred fifty-two thousand, twenty".