4402020412031 has 4 divisors (see below), whose sum is σ = 4802204085864. Its totient is φ = 4001836738200.

The previous prime is 4402020412007. The next prime is 4402020412039. The reversal of 4402020412031 is 1302140202044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4402020412031 - 2¹⁰ = 4402020411007 is a prime.

It is a super-2 number, since 2×4402020412031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4402020411988 and 4402020412006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4402020412039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200091836900 + ... + 200091836921.

It is an arithmetic number, because the mean of its divisors is an integer number (1200551021466).

Almost surely, 2^{4402020412031} is an apocalyptic number.

4402020412031 is a deficient number, since it is larger than the sum of its proper divisors (400183673833).

4402020412031 is a wasteful number, since it uses less digits than its factorization.

4402020412031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400183673832.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4402020412031 its reverse (1302140202044), we get a palindrome (5704160614075).

The spelling of 4402020412031 in words is "four trillion, four hundred two billion, twenty million, four hundred twelve thousand, thirty-one".