20220042001 has 4 divisors (see below), whose sum is σ = 20324809252. Its totient is φ = 20115274752.

The previous prime is 20220041999. The next prime is 20220042053. The reversal of 20220042001 is 10024002202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5201294400 + 15018747601 = 72120^2 + 122551^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220042001 - 2¹ = 20220041999 is a prime.

It is a super-4 number, since 4×20220042001⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220042061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52383336 + ... + 52383721.

It is an arithmetic number, because the mean of its divisors is an integer number (5081202313).

Almost surely, 2^20220042001 is an apocalyptic number.

It is an amenable number.

20220042001 is a deficient number, since it is larger than the sum of its proper divisors (104767251).

20220042001 is a wasteful number, since it uses less digits than its factorization.

20220042001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104767250.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20220042001 its reverse (10024002202), we get a palindrome (30244044203).

The spelling of 20220042001 in words is "twenty billion, two hundred twenty million, forty-two thousand, one".