20011154001 has 8 divisors (see below), whose sum is σ = 26693103360. Its totient is φ = 13334986992.

The previous prime is 20011153999. The next prime is 20011154041. The reversal of 20011154001 is 10045111002.

It is a happy number.

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

It is not a de Polignac number, because 20011154001 - 2¹ = 20011153999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011154041) 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, 1437505 + ... + 1451358.

It is an arithmetic number, because the mean of its divisors is an integer number (3336637920).

Almost surely, 2^20011154001 is an apocalyptic number.

It is an amenable number.

20011154001 is a deficient number, since it is larger than the sum of its proper divisors (6681949359).

20011154001 is a wasteful number, since it uses less digits than its factorization.

20011154001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891175.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 20011154001 its reverse (10045111002), we get a palindrome (30056265003).

The spelling of 20011154001 in words is "twenty billion, eleven million, one hundred fifty-four thousand, one".