20025421510201 has 8 divisors (see below), whose sum is σ = 20223819972864. Its totient is φ = 19827025537200.

The previous prime is 20025421510169. The next prime is 20025421510219. The reversal of 20025421510201 is 10201512452002.

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 20025421510201 - 2⁵ = 20025421510169 is a prime.

It is a super-2 number, since 2×20025421510201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20025421510231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18413656 + ... + 19470838.

It is an arithmetic number, because the mean of its divisors is an integer number (2527977496608).

Almost surely, 2^{20025421510201} is an apocalyptic number.

It is an amenable number.

20025421510201 is a deficient number, since it is larger than the sum of its proper divisors (198398462663).

20025421510201 is a wasteful number, since it uses less digits than its factorization.

20025421510201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244831.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 20025421510201 its reverse (10201512452002), we get a palindrome (30226933962203).

The spelling of 20025421510201 in words is "twenty trillion, twenty-five billion, four hundred twenty-one million, five hundred ten thousand, two hundred one".