4020322333144 has 32 divisors (see below), whose sum is σ = 8118121223520. Its totient is φ = 1855496203776.

The previous prime is 4020322333103. The next prime is 4020322333147. The reversal of 4020322333144 is 4413332230204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020322333147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215677 + ... + 5936659.

It is an arithmetic number, because the mean of its divisors is an integer number (253691288235).

Almost surely, 2^{4020322333144} is an apocalyptic number.

It is an amenable number.

4020322333144 is an abundant number, since it is smaller than the sum of its proper divisors (4097798890376).

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

4020322333144 is a wasteful number, since it uses less digits than its factorization.

4020322333144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774619 (or 774615 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 4020322333144 its reverse (4413332230204), we get a palindrome (8433654563348).

The spelling of 4020322333144 in words is "four trillion, twenty billion, three hundred twenty-two million, three hundred thirty-three thousand, one hundred forty-four".