20210422143 has 8 divisors (see below), whose sum is σ = 27326768256. Its totient is φ = 13283845400.

The previous prime is 20210422129. The next prime is 20210422147. The reversal of 20210422143 is 34122401202.

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

It is a cyclic number.

It is not a de Polignac number, because 20210422143 - 2²⁰ = 20209373567 is a prime.

It is a super-2 number, since 2×20210422143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210422147) 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, 47442093 + ... + 47442518.

It is an arithmetic number, because the mean of its divisors is an integer number (3415846032).

Almost surely, 2^20210422143 is an apocalyptic number.

20210422143 is a deficient number, since it is larger than the sum of its proper divisors (7116346113).

20210422143 is an equidigital number, since it uses as much as digits as its factorization.

20210422143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94884685.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20210422143 its reverse (34122401202), we get a palindrome (54332823345).

The spelling of 20210422143 in words is "twenty billion, two hundred ten million, four hundred twenty-two thousand, one hundred forty-three".