20010012221003 has 12 divisors (see below), whose sum is σ = 23327445323952. Its totient is φ = 17114234170320.

The previous prime is 20010012220973. The next prime is 20010012221057. The reversal of 20010012221003 is 30012221001002.

It is a happy number.

It is not a de Polignac number, because 20010012221003 - 2⁸ = 20010012220747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010012221063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442892375 + ... + 442937552.

It is an arithmetic number, because the mean of its divisors is an integer number (1943953776996).

Almost surely, 2^{20010012221003} is an apocalyptic number.

20010012221003 is a deficient number, since it is larger than the sum of its proper divisors (3317433102949).

20010012221003 is an equidigital number, since it uses as much as digits as its factorization.

20010012221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885830402 (or 885830395 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20010012221003 its reverse (30012221001002), we get a palindrome (50022233222005).

The spelling of 20010012221003 in words is "twenty trillion, ten billion, twelve million, two hundred twenty-one thousand, three".