20050142401 has 4 divisors (see below), whose sum is σ = 20051073072. Its totient is φ = 20049211732.

The previous prime is 20050142393. The next prime is 20050142473. The reversal of 20050142401 is 10424105002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20050142401 - 2³ = 20050142393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20050148401) 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, 432235 + ... + 476368.

It is an arithmetic number, because the mean of its divisors is an integer number (5012768268).

Almost surely, 2^20050142401 is an apocalyptic number.

It is an amenable number.

20050142401 is a deficient number, since it is larger than the sum of its proper divisors (930671).

20050142401 is an equidigital number, since it uses as much as digits as its factorization.

20050142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930670.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20050142401 its reverse (10424105002), we get a palindrome (30474247403).

The spelling of 20050142401 in words is "twenty billion, fifty million, one hundred forty-two thousand, four hundred one".