4000033020 has 48 divisors (see below), whose sum is σ = 11858924448. Its totient is φ = 1003929600.

The previous prime is 4000032979. The next prime is 4000033031. The reversal of 4000033020 is 203300004.

It is a super-2 number, since 2×4000033020² = 32000528322180640800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 4000032987 and 4000033005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959781 + ... + 1961820.

It is an arithmetic number, because the mean of its divisors is an integer number (247060926).

Almost surely, 2^4000033020 is an apocalyptic number.

It is an amenable number.

4000033020 is an abundant number, since it is smaller than the sum of its proper divisors (7858891428).

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

4000033020 is a wasteful number, since it uses less digits than its factorization.

4000033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921630 (or 3921628 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 4000033020 is about 63245.8142488497. The cubic root of 4000033020 is about 1587.4054199547.

Adding to 4000033020 its reverse (203300004), we get a palindrome (4203333024).

The spelling of 4000033020 in words is "four billion, thirty-three thousand, twenty".