20310423102 has 48 divisors (see below), whose sum is σ = 46548317088. Its totient is φ = 6387068160.

The previous prime is 20310423101. The next prime is 20310423121. The reversal of 20310423102 is 20132401302.

20310423102 is a `hidden beast` number, since 2 + 0 + 310 + 42 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310423101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305799 + ... + 366242.

It is an arithmetic number, because the mean of its divisors is an integer number (969756606).

Almost surely, 2^20310423102 is an apocalyptic number.

20310423102 is an abundant number, since it is smaller than the sum of its proper divisors (26237893986).

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

20310423102 is a wasteful number, since it uses less digits than its factorization.

20310423102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672145 (or 672142 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20310423102 its reverse (20132401302), we get a palindrome (40442824404).

The spelling of 20310423102 in words is "twenty billion, three hundred ten million, four hundred twenty-three thousand, one hundred two".