4018532020 has 12 divisors (see below), whose sum is σ = 8438917284. Its totient is φ = 1607412800.

The previous prime is 4018532017. The next prime is 4018532033. The reversal of 4018532020 is 202358104.

It can be written as a sum of positive squares in 2 ways, for example, as 1883907216 + 2134624804 = 43404^2 + 46202^2 .

It is a super-2 number, since 2×4018532020² = 32297199191530560800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100463281 + ... + 100463320.

It is an arithmetic number, because the mean of its divisors is an integer number (703243107).

Almost surely, 2^4018532020 is an apocalyptic number.

It is an amenable number.

4018532020 is an abundant number, since it is smaller than the sum of its proper divisors (4420385264).

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

4018532020 is a wasteful number, since it uses less digits than its factorization.

4018532020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200926610 (or 200926608 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4018532020 is about 63391.8923838057. The cubic root of 4018532020 is about 1589.8487547815.

The spelling of 4018532020 in words is "four billion, eighteen million, five hundred thirty-two thousand, twenty".