20055101001 has 16 divisors (see below), whose sum is σ = 28799965824. Its totient is φ = 12340358784.

The previous prime is 20055100993. The next prime is 20055101153. The reversal of 20055101001 is 10010155002.

It is not a de Polignac number, because 20055101001 - 2³ = 20055100993 is a prime.

It is a super-2 number, since 2×20055101001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20055108001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504100 + ... + 542426.

It is an arithmetic number, because the mean of its divisors is an integer number (1799997864).

Almost surely, 2^20055101001 is an apocalyptic number.

It is an amenable number.

20055101001 is a deficient number, since it is larger than the sum of its proper divisors (8744864823).

20055101001 is a wasteful number, since it uses less digits than its factorization.

20055101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51760.

The product of its (nonzero) digits is 50, while the sum is 15.

Adding to 20055101001 its reverse (10010155002), we get a palindrome (30065256003).

The spelling of 20055101001 in words is "twenty billion, fifty-five million, one hundred one thousand, one".