20203310101 has 16 divisors (see below), whose sum is σ = 23257140480. Its totient is φ = 17403281280.

The previous prime is 20203310087. The next prime is 20203310167. The reversal of 20203310101 is 10101330202.

It is a cyclic number.

It is not a de Polignac number, because 20203310101 - 2¹⁵ = 20203277333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203310191) 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, 811761 + ... + 836278.

It is an arithmetic number, because the mean of its divisors is an integer number (1453571280).

Almost surely, 2^20203310101 is an apocalyptic number.

It is an amenable number.

20203310101 is a deficient number, since it is larger than the sum of its proper divisors (3053830379).

20203310101 is a wasteful number, since it uses less digits than its factorization.

20203310101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648116.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20203310101 its reverse (10101330202), we get a palindrome (30304640303).

The spelling of 20203310101 in words is "twenty billion, two hundred three million, three hundred ten thousand, one hundred one".