20310101100 has 54 divisors (see below), whose sum is σ = 63660886380. Its totient is φ = 5416026720.

The previous prime is 20310101069. The next prime is 20310101107. The reversal of 20310101100 is 110101302.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20310101107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11282490 + ... + 11284289.

Almost surely, 2^20310101100 is an apocalyptic number.

20310101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310101100 is an abundant number, since it is smaller than the sum of its proper divisors (43350785280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310101100 is a wasteful number, since it uses less digits than its factorization.

20310101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22566799 (or 22566789 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 20310101100 its reverse (110101302), we get a palindrome (20420202402).

The spelling of 20310101100 in words is "twenty billion, three hundred ten million, one hundred one thousand, one hundred".