4020830268138 has 24 divisors (see below), whose sum is σ = 8992824686976. Its totient is φ = 1297042021800.

The previous prime is 4020830268121. The next prime is 4020830268181. The reversal of 4020830268138 is 8318620380204.

4020830268138 is a `hidden beast` number, since 4 + 0 + 208 + 302 + 6 + 8 + 138 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4020830268093 and 4020830268102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3602893948 + ... + 3602895063.

It is an arithmetic number, because the mean of its divisors is an integer number (374701028624).

Almost surely, 2^{4020830268138} is an apocalyptic number.

4020830268138 is an abundant number, since it is smaller than the sum of its proper divisors (4971994418838).

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

4020830268138 is a wasteful number, since it uses less digits than its factorization.

4020830268138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205789050 (or 7205789047 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 4020830268138 in words is "four trillion, twenty billion, eight hundred thirty million, two hundred sixty-eight thousand, one hundred thirty-eight".