20051532401 has 8 divisors (see below), whose sum is σ = 20824086624. Its totient is φ = 19292898240.

The previous prime is 20051532383. The next prime is 20051532421. The reversal of 20051532401 is 10423515002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20051532401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20051532421) 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, 3477080 + ... + 3482841.

It is an arithmetic number, because the mean of its divisors is an integer number (2603010828).

Almost surely, 2^20051532401 is an apocalyptic number.

It is an amenable number.

20051532401 is a deficient number, since it is larger than the sum of its proper divisors (772554223).

20051532401 is an equidigital number, since it uses as much as digits as its factorization.

20051532401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960031.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 20051532401 in words is "twenty billion, fifty-one million, five hundred thirty-two thousand, four hundred one".