20200112220021 has 8 divisors (see below), whose sum is σ = 26934409803840. Its totient is φ = 13466278058112.

The previous prime is 20200112220019. The next prime is 20200112220107. The reversal of 20200112220021 is 12002221100202.

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

It is not a de Polignac number, because 20200112220021 - 2¹ = 20200112220019 is a prime.

It is a super-2 number, since 2×20200112220021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200112221021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115753756 + ... + 115928133.

It is an arithmetic number, because the mean of its divisors is an integer number (3366801225480).

Almost surely, 2^{20200112220021} is an apocalyptic number.

It is an amenable number.

20200112220021 is a deficient number, since it is larger than the sum of its proper divisors (6734297583819).

20200112220021 is a wasteful number, since it uses less digits than its factorization.

20200112220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231710955.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200112220021 its reverse (12002221100202), we get a palindrome (32202333320223).

The spelling of 20200112220021 in words is "twenty trillion, two hundred billion, one hundred twelve million, two hundred twenty thousand, twenty-one".