210204423020 has 192 divisors, whose sum is σ = 505597075200. Its totient is φ = 72931246080.

The previous prime is 210204423007. The next prime is 210204423031. The reversal of 210204423020 is 20324402012.

210204423020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210204423020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210204422983 and 210204423001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 186185816 + ... + 186186944.

It is an arithmetic number, because the mean of its divisors is an integer number (2633318100).

Almost surely, 2^210204423020 is an apocalyptic number.

210204423020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210204423020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252798537600).

210204423020 is an abundant number, since it is smaller than the sum of its proper divisors (295392652180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210204423020 is a wasteful number, since it uses less digits than its factorization.

210204423020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 210204423020 its reverse (20324402012), we get a palindrome (230528825032).

The spelling of 210204423020 in words is "two hundred ten billion, two hundred four million, four hundred twenty-three thousand, twenty".