4020420032 has 42 divisors (see below), whose sum is σ = 8474960952. Its totient is φ = 1891953664.

The previous prime is 4020420011. The next prime is 4020420097. The reversal of 4020420032 is 2300240204.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90188 + ... + 127179.

Almost surely, 2^4020420032 is an apocalyptic number.

It is an amenable number.

4020420032 is an abundant number, since it is smaller than the sum of its proper divisors (4454540920).

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

4020420032 is a wasteful number, since it uses less digits than its factorization.

4020420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217413 (or 217386 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4020420032 is about 63406.7822239861. The cubic root of 4020420032 is about 1590.0977000472.

Adding to 4020420032 its reverse (2300240204), we get a palindrome (6320660236).

The spelling of 4020420032 in words is "four billion, twenty million, four hundred twenty thousand, thirty-two".