2052021402 has 12 divisors (see below), whose sum is σ = 4446046410. Its totient is φ = 684007128.

The previous prime is 2052021379. The next prime is 2052021403. The reversal of 2052021402 is 2041202502.

2052021402 is a `hidden beast` number, since 2 + 0 + 520 + 2 + 140 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1978559361 + 73462041 = 44481^2 + 8571^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 114001189 = 2052021402 / (2 + 0 + 5 + 2 + 0 + 2 + 1 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (2052021403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57000577 + ... + 57000612.

Almost surely, 2^2052021402 is an apocalyptic number.

2052021402 is an abundant number, since it is smaller than the sum of its proper divisors (2394025008).

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

2052021402 is a wasteful number, since it uses less digits than its factorization.

2052021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114001197 (or 114001194 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2052021402 is about 45299.2428413544. The cubic root of 2052021402 is about 1270.7514931508.

Adding to 2052021402 its reverse (2041202502), we get a palindrome (4093223904).

The spelling of 2052021402 in words is "two billion, fifty-two million, twenty-one thousand, four hundred two".