20351244001 has 8 divisors (see below), whose sum is σ = 22577652000. Its totient is φ = 18187551840.

The previous prime is 20351243999. The next prime is 20351244029. The reversal of 20351244001 is 10044215302.

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 20351244001 - 2¹ = 20351243999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20351244301) 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, 15678276 + ... + 15679573.

It is an arithmetic number, because the mean of its divisors is an integer number (2822206500).

Almost surely, 2^20351244001 is an apocalyptic number.

It is an amenable number.

20351244001 is a deficient number, since it is larger than the sum of its proper divisors (2226407999).

20351244001 is a wasteful number, since it uses less digits than its factorization.

20351244001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31357919.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20351244001 its reverse (10044215302), we get a palindrome (30395459303).

The spelling of 20351244001 in words is "twenty billion, three hundred fifty-one million, two hundred forty-four thousand, one".