20525110401 has 8 divisors (see below), whose sum is σ = 27510096384. Its totient is φ = 13611765680.

The previous prime is 20525110391. The next prime is 20525110427. The reversal of 20525110401 is 10401152502.

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 20525110401 - 2⁶ = 20525110337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20525110201) 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, 17909646 + ... + 17910791.

It is an arithmetic number, because the mean of its divisors is an integer number (3438762048).

Almost surely, 2^20525110401 is an apocalyptic number.

It is an amenable number.

20525110401 is a deficient number, since it is larger than the sum of its proper divisors (6984985983).

20525110401 is a wasteful number, since it uses less digits than its factorization.

20525110401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35820631.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 20525110401 its reverse (10401152502), we get a palindrome (30926262903).

The spelling of 20525110401 in words is "twenty billion, five hundred twenty-five million, one hundred ten thousand, four hundred one".