202143020 has 48 divisors (see below), whose sum is σ = 438076128. Its totient is φ = 78312960.

The previous prime is 202143013. The next prime is 202143023. The reversal of 202143020 is 20341202.

202143020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202142986 and 202143004.

It is not an unprimeable number, because it can be changed into a prime (202143023) 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, 80504 + ... + 82976.

It is an arithmetic number, because the mean of its divisors is an integer number (9126586).

Almost surely, 2^202143020 is an apocalyptic number.

202143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202143020 is an abundant number, since it is smaller than the sum of its proper divisors (235933108).

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

202143020 is a wasteful number, since it uses less digits than its factorization.

202143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 202143020 is about 14217.7009393221. The cubic root of 202143020 is about 586.8848742064.

Adding to 202143020 its reverse (20341202), we get a palindrome (222484222).

The spelling of 202143020 in words is "two hundred two million, one hundred forty-three thousand, twenty".