20011000212003 has 8 divisors (see below), whose sum is σ = 26691300505168. Its totient is φ = 13335683363424.

The previous prime is 20011000211999. The next prime is 20011000212029. The reversal of 20011000212003 is 30021200011002.

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

It is not a de Polignac number, because 20011000212003 - 2² = 20011000211999 is a prime.

It is a super-2 number, since 2×20011000212003² (a number of 27 digits) contains 22 as substring.

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 20011000212003.

It is not an unprimeable number, because it can be changed into a prime (20011000214003) 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, 1245851776 + ... + 1245867837.

It is an arithmetic number, because the mean of its divisors is an integer number (3336412563146).

Almost surely, 2^{20011000212003} is an apocalyptic number.

20011000212003 is a deficient number, since it is larger than the sum of its proper divisors (6680300293165).

20011000212003 is a wasteful number, since it uses less digits than its factorization.

20011000212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491722293.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20011000212003 its reverse (30021200011002), we get a palindrome (50032200223005).

The spelling of 20011000212003 in words is "twenty trillion, eleven billion, two hundred twelve thousand, three".