20210022200109 has 16 divisors (see below), whose sum is σ = 30905819418240. Its totient is φ = 11507485946880.

The previous prime is 20210022200099. The next prime is 20210022200119. The reversal of 20210022200109 is 90100222001202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20210022200099) and next prime (20210022200119).

It is not a de Polignac number, because 20210022200109 - 2¹⁶ = 20210022134573 is a prime.

It is a super-2 number, since 2×20210022200109² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210022200119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712417604 + ... + 1712429405.

It is an arithmetic number, because the mean of its divisors is an integer number (1931613713640).

Almost surely, 2^{20210022200109} is an apocalyptic number.

It is an amenable number.

20210022200109 is a deficient number, since it is larger than the sum of its proper divisors (10695797218131).

20210022200109 is a wasteful number, since it uses less digits than its factorization.

20210022200109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424847300.

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 20210022200109 in words is "twenty trillion, two hundred ten billion, twenty-two million, two hundred thousand, one hundred nine".