4020223013128 has 16 divisors (see below), whose sum is σ = 8614763599680. Its totient is φ = 1722952719888.

The previous prime is 4020223013123. The next prime is 4020223013129. The reversal of 4020223013128 is 8213103220204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4020223013096 and 4020223013105.

It is not an unprimeable number, because it can be changed into a prime (4020223013123) 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, 35894848276 + ... + 35894848387.

It is an arithmetic number, because the mean of its divisors is an integer number (538422724980).

Almost surely, 2^{4020223013128} is an apocalyptic number.

It is an amenable number.

4020223013128 is an abundant number, since it is smaller than the sum of its proper divisors (4594540586552).

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

4020223013128 is a wasteful number, since it uses less digits than its factorization.

4020223013128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71789696676 (or 71789696672 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 4020223013128 in words is "four trillion, twenty billion, two hundred twenty-three million, thirteen thousand, one hundred twenty-eight".