202121030032 has 40 divisors (see below), whose sum is σ = 394238160000. Its totient is φ = 100383858432.

The previous prime is 202121030021. The next prime is 202121030051. The reversal of 202121030032 is 230030121202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 202121029988 and 202121030015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854228 + ... + 1960204.

It is an arithmetic number, because the mean of its divisors is an integer number (9855954000).

Almost surely, 2^202121030032 is an apocalyptic number.

It is an amenable number.

202121030032 is a deficient number, since it is larger than the sum of its proper divisors (192117129968).

202121030032 is a wasteful number, since it uses less digits than its factorization.

202121030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106783 (or 106777 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 202121030032 its reverse (230030121202), we get a palindrome (432151151234).

The spelling of 202121030032 in words is "two hundred two billion, one hundred twenty-one million, thirty thousand, thirty-two".