20243320401 has 8 divisors (see below), whose sum is σ = 28578805344. Its totient is φ = 12701691200.

The previous prime is 20243320387. The next prime is 20243320411. The reversal of 20243320401 is 10402334202.

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

It is a cyclic number.

It is not a de Polignac number, because 20243320401 - 2¹³ = 20243312209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20243320411) 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, 198463875 + ... + 198463976.

It is an arithmetic number, because the mean of its divisors is an integer number (3572350668).

Almost surely, 2^20243320401 is an apocalyptic number.

It is an amenable number.

20243320401 is a deficient number, since it is larger than the sum of its proper divisors (8335484943).

20243320401 is a wasteful number, since it uses less digits than its factorization.

20243320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396927871.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20243320401 its reverse (10402334202), we get a palindrome (30645654603).

The spelling of 20243320401 in words is "twenty billion, two hundred forty-three million, three hundred twenty thousand, four hundred one".