20120120224001 has 12 divisors (see below), whose sum is σ = 23405753879280. Its totient is φ = 17245289706120.

The previous prime is 20120120223989. The next prime is 20120120224031. The reversal of 20120120224001 is 10042202102102.

It is not a de Polignac number, because 20120120224001 - 2⁴² = 15722073712897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120120224031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4659131 + ... + 7870688.

It is an arithmetic number, because the mean of its divisors is an integer number (1950479489940).

Almost surely, 2^{20120120224001} is an apocalyptic number.

It is an amenable number.

20120120224001 is a deficient number, since it is larger than the sum of its proper divisors (3285633655279).

20120120224001 is a wasteful number, since it uses less digits than its factorization.

20120120224001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562604 (or 12562597 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20120120224001 its reverse (10042202102102), we get a palindrome (30162322326103).

The spelling of 20120120224001 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty-four thousand, one".