420204040933 has 2 divisors, whose sum is σ = 420204040934. Its totient is φ = 420204040932.

The previous prime is 420204040913. The next prime is 420204041029. The reversal of 420204040933 is 339040402024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419511403809 + 692637124 = 647697^2 + 26318^2 .

It is a cyclic number.

It is not a de Polignac number, because 420204040933 - 2¹³ = 420204032741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420204040895 and 420204040904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420204040913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210102020466 + 210102020467.

It is an arithmetic number, because the mean of its divisors is an integer number (210102020467).

Almost surely, 2^420204040933 is an apocalyptic number.

It is an amenable number.

420204040933 is a deficient number, since it is larger than the sum of its proper divisors (1).

420204040933 is an equidigital number, since it uses as much as digits as its factorization.

420204040933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 420204040933 its reverse (339040402024), we get a palindrome (759244442957).

The spelling of 420204040933 in words is "four hundred twenty billion, two hundred four million, forty thousand, nine hundred thirty-three".