4020068828 has 12 divisors (see below), whose sum is σ = 7131492480. Its totient is φ = 1982499552.

The previous prime is 4020068821. The next prime is 4020068851. The reversal of 4020068828 is 8288600204.

It is a junction number, because it is equal to n+sod(n) for n = 4020068791 and 4020068800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020068821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6883388 + ... + 6883971.

It is an arithmetic number, because the mean of its divisors is an integer number (594291040).

Almost surely, 2^4020068828 is an apocalyptic number.

It is an amenable number.

4020068828 is a deficient number, since it is larger than the sum of its proper divisors (3111423652).

4020068828 is a wasteful number, since it uses less digits than its factorization.

4020068828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13767436 (or 13767434 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 4020068828 is about 63404.0127121305. The cubic root of 4020068828 is about 1590.0513976766.

The spelling of 4020068828 in words is "four billion, twenty million, sixty-eight thousand, eight hundred twenty-eight".