30020400433 has 2 divisors, whose sum is σ = 30020400434. Its totient is φ = 30020400432.

The previous prime is 30020400427. The next prime is 30020400461. The reversal of 30020400433 is 33400402003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21654005409 + 8366395024 = 147153^2 + 91468^2 .

It is a cyclic number.

It is not a de Polignac number, because 30020400433 - 2³³ = 21430465841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30020400433.

It is not a weakly prime, because it can be changed into another prime (30020400413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010200216 + 15010200217.

It is an arithmetic number, because the mean of its divisors is an integer number (15010200217).

Almost surely, 2^30020400433 is an apocalyptic number.

It is an amenable number.

30020400433 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020400433 is an equidigital number, since it uses as much as digits as its factorization.

30020400433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 30020400433 its reverse (33400402003), we get a palindrome (63420802436).

The spelling of 30020400433 in words is "thirty billion, twenty million, four hundred thousand, four hundred thirty-three".