4020220013144 has 8 divisors (see below), whose sum is σ = 7537912524660. Its totient is φ = 2010110006568.

The previous prime is 4020220013083. The next prime is 4020220013203. The reversal of 4020220013144 is 4413100220204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251263750814 + ... + 251263750829.

Almost surely, 2^{4020220013144} is an apocalyptic number.

It is an amenable number.

4020220013144 is a deficient number, since it is larger than the sum of its proper divisors (3517692511516).

4020220013144 is a wasteful number, since it uses less digits than its factorization.

4020220013144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502527501649 (or 502527501645 counting only the distinct ones).

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

Adding to 4020220013144 its reverse (4413100220204), we get a palindrome (8433320233348).

The spelling of 4020220013144 in words is "four trillion, twenty billion, two hundred twenty million, thirteen thousand, one hundred forty-four".