20525302401 has 8 divisors (see below), whose sum is σ = 27387007680. Its totient is φ = 13673566032.

The previous prime is 20525302397. The next prime is 20525302409. The reversal of 20525302401 is 10420352502.

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

It is not a de Polignac number, because 20525302401 - 2² = 20525302397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20525302409) 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, 2487421 + ... + 2495658.

It is an arithmetic number, because the mean of its divisors is an integer number (3423375960).

Almost surely, 2^20525302401 is an apocalyptic number.

It is an amenable number.

20525302401 is a deficient number, since it is larger than the sum of its proper divisors (6861705279).

20525302401 is a wasteful number, since it uses less digits than its factorization.

20525302401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984455.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20525302401 its reverse (10420352502), we get a palindrome (30945654903).

The spelling of 20525302401 in words is "twenty billion, five hundred twenty-five million, three hundred two thousand, four hundred one".