20010014401 has 4 divisors (see below), whose sum is σ = 21549246292. Its totient is φ = 18470782512.

The previous prime is 20010014399. The next prime is 20010014411. The reversal of 20010014401 is 10441001002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7821633600 + 12188380801 = 88440^2 + 110401^2 .

It is not a de Polignac number, because 20010014401 - 2¹ = 20010014399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1539231877 = 20010014401 / (2 + 0 + 0 + 1 + 0 + 0 + 1 + 4 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010014411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769615926 + ... + 769615951.

It is an arithmetic number, because the mean of its divisors is an integer number (5387311573).

Almost surely, 2^20010014401 is an apocalyptic number.

It is an amenable number.

20010014401 is a deficient number, since it is larger than the sum of its proper divisors (1539231891).

20010014401 is a wasteful number, since it uses less digits than its factorization.

20010014401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539231890.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010014401 its reverse (10441001002), we get a palindrome (30451015403).

The spelling of 20010014401 in words is "twenty billion, ten million, fourteen thousand, four hundred one".