406200002021 has 16 divisors (see below), whose sum is σ = 455159303808. Its totient is φ = 359248478400.

The previous prime is 406200002011. The next prime is 406200002027. The reversal of 406200002021 is 120200002604.

It is a cyclic number.

It is not a de Polignac number, because 406200002021 - 2⁶ = 406200001957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406200002027) 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, 3533576 + ... + 3646718.

It is an arithmetic number, because the mean of its divisors is an integer number (28447456488).

Almost surely, 2^406200002021 is an apocalyptic number.

It is an amenable number.

406200002021 is a deficient number, since it is larger than the sum of its proper divisors (48959301787).

406200002021 is a wasteful number, since it uses less digits than its factorization.

406200002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122012.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 406200002021 its reverse (120200002604), we get a palindrome (526400004625).

The spelling of 406200002021 in words is "four hundred six billion, two hundred million, two thousand, twenty-one".