2041202421 has 24 divisors (see below), whose sum is σ = 3069607320. Its totient is φ = 1305870336.

The previous prime is 2041202417. The next prime is 2041202437. The reversal of 2041202421 is 1242021402.

2041202421 is a `hidden beast` number, since 2 + 0 + 41 + 202 + 421 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1269140625 + 772061796 = 35625^2 + 27786^2 .

It is not a de Polignac number, because 2041202421 - 2² = 2041202417 is a prime.

It is a super-2 number, since 2×2041202421² = 8333014646992522482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2041202394 and 2041202403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041202411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17676 + ... + 66293.

It is an arithmetic number, because the mean of its divisors is an integer number (127900305).

Almost surely, 2^2041202421 is an apocalyptic number.

It is an amenable number.

2041202421 is a deficient number, since it is larger than the sum of its proper divisors (1028404899).

2041202421 is a wasteful number, since it uses less digits than its factorization.

2041202421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84085 (or 84082 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2041202421 is about 45179.6682258735. The cubic root of 2041202421 is about 1268.5142732856.

Adding to 2041202421 its reverse (1242021402), we get a palindrome (3283223823).

The spelling of 2041202421 in words is "two billion, forty-one million, two hundred two thousand, four hundred twenty-one".