20202120022 has 8 divisors (see below), whose sum is σ = 34632205776. Its totient is φ = 8658051432.

The previous prime is 20202120019. The next prime is 20202120023. The reversal of 20202120022 is 22002120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20202119984 and 20202120011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202120023) 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, 721504273 + ... + 721504300.

It is an arithmetic number, because the mean of its divisors is an integer number (4329025722).

Almost surely, 2^20202120022 is an apocalyptic number.

20202120022 is a deficient number, since it is larger than the sum of its proper divisors (14430085754).

20202120022 is a wasteful number, since it uses less digits than its factorization.

20202120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443008582.

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

Adding to 20202120022 its reverse (22002120202), we get a palindrome (42204240224).

The spelling of 20202120022 in words is "twenty billion, two hundred two million, one hundred twenty thousand, twenty-two".