20201212433 has 16 divisors (see below), whose sum is σ = 21346987200. Its totient is φ = 19063848960.

The previous prime is 20201212417. The next prime is 20201212439. The reversal of 20201212433 is 33421210202.

It is a cyclic number.

It is not a de Polignac number, because 20201212433 - 2⁴ = 20201212417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201212439) 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, 6471113 + ... + 6474233.

It is an arithmetic number, because the mean of its divisors is an integer number (1334186700).

Almost surely, 2^20201212433 is an apocalyptic number.

It is an amenable number.

20201212433 is a deficient number, since it is larger than the sum of its proper divisors (1145774767).

20201212433 is a wasteful number, since it uses less digits than its factorization.

20201212433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20201212433 its reverse (33421210202), we get a palindrome (53622422635).

The spelling of 20201212433 in words is "twenty billion, two hundred one million, two hundred twelve thousand, four hundred thirty-three".