20211433401 has 8 divisors (see below), whose sum is σ = 26958632800. Its totient is φ = 13469261472.

The previous prime is 20211433339. The next prime is 20211433439. The reversal of 20211433401 is 10433411202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20211433401 - 2¹¹ = 20211431353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211433601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247476 + ... + 1263573.

It is an arithmetic number, because the mean of its divisors is an integer number (3369829100).

Almost surely, 2^20211433401 is an apocalyptic number.

It is an amenable number.

20211433401 is a deficient number, since it is larger than the sum of its proper divisors (6747199399).

20211433401 is a wasteful number, since it uses less digits than its factorization.

20211433401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513735.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20211433401 its reverse (10433411202), we get a palindrome (30644844603).

The spelling of 20211433401 in words is "twenty billion, two hundred eleven million, four hundred thirty-three thousand, four hundred one".