20101022003 has 8 divisors (see below), whose sum is σ = 21368234160. Its totient is φ = 18843232000.

The previous prime is 20101021999. The next prime is 20101022009. The reversal of 20101022003 is 30022010102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20101022003 - 2² = 20101021999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101022009) 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, 2351138 + ... + 2359671.

It is an arithmetic number, because the mean of its divisors is an integer number (2671029270).

Almost surely, 2^20101022003 is an apocalyptic number.

20101022003 is a deficient number, since it is larger than the sum of its proper divisors (1267212157).

20101022003 is a wasteful number, since it uses less digits than its factorization.

20101022003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711077.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20101022003 its reverse (30022010102), we get a palindrome (50123032105).

The spelling of 20101022003 in words is "twenty billion, one hundred one million, twenty-two thousand, three".