2021352104 has 8 divisors (see below), whose sum is σ = 3790035210. Its totient is φ = 1010676048.

The previous prime is 2021352103. The next prime is 2021352131. The reversal of 2021352104 is 4012531202.

It can be written as a sum of positive squares in only one way, i.e., 2015112100 + 6240004 = 44890^2 + 2498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2021352103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126334499 + ... + 126334514.

Almost surely, 2^2021352104 is an apocalyptic number.

It is an amenable number.

2021352104 is a deficient number, since it is larger than the sum of its proper divisors (1768683106).

2021352104 is a wasteful number, since it uses less digits than its factorization.

2021352104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252669019 (or 252669015 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2021352104 is about 44959.4495517906. The cubic root of 2021352104 is about 1264.3888488127.

Adding to 2021352104 its reverse (4012531202), we get a palindrome (6033883306).

The spelling of 2021352104 in words is "two billion, twenty-one million, three hundred fifty-two thousand, one hundred four".