20413020401 has 8 divisors (see below), whose sum is σ = 20850480000. Its totient is φ = 19975691728.

The previous prime is 20413020371. The next prime is 20413020409. The reversal of 20413020401 is 10402031402.

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-20413020401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20413020401.

It is not an unprimeable number, because it can be changed into a prime (20413020409) 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, 323495 + ... + 381411.

It is an arithmetic number, because the mean of its divisors is an integer number (2606310000).

Almost surely, 2^20413020401 is an apocalyptic number.

It is an amenable number.

20413020401 is a deficient number, since it is larger than the sum of its proper divisors (437459599).

20413020401 is an equidigital number, since it uses as much as digits as its factorization.

20413020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65463.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20413020401 its reverse (10402031402), we get a palindrome (30815051803).

The spelling of 20413020401 in words is "twenty billion, four hundred thirteen million, twenty thousand, four hundred one".