4002020034 has 8 divisors (see below), whose sum is σ = 8004040080. Its totient is φ = 1334006676.

The previous prime is 4002020023. The next prime is 4002020069. The reversal of 4002020034 is 4300202004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

4002020034 is an admirable number.

It is a super-2 number, since 2×4002020034² = 32032328705074722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4002019995 and 4002020022.

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, 333501664 + ... + 333501675.

It is an arithmetic number, because the mean of its divisors is an integer number (1000505010).

Almost surely, 2^4002020034 is an apocalyptic number.

4002020034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4002020034 is a wasteful number, since it uses less digits than its factorization.

4002020034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667003344.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4002020034 is about 63261.5209586365. The cubic root of 4002020034 is about 1587.6682240066.

Adding to 4002020034 its reverse (4300202004), we get a palindrome (8302222038).

The spelling of 4002020034 in words is "four billion, two million, twenty thousand, thirty-four".