20312010004104 has 192 divisors, whose sum is σ = 67710564579840. Its totient is φ = 5356707863040.

The previous prime is 20312010004049. The next prime is 20312010004129. The reversal of 20312010004104 is 40140001021302.

20312010004104 is a `hidden beast` number, since 20 + 31 + 201 + 0 + 0 + 0 + 410 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129107169 + ... + 129264399.

It is an arithmetic number, because the mean of its divisors is an integer number (352659190520).

Almost surely, 2^{20312010004104} is an apocalyptic number.

20312010004104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20312010004104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33855282289920).

20312010004104 is an abundant number, since it is smaller than the sum of its proper divisors (47398554575736).

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

20312010004104 is a wasteful number, since it uses less digits than its factorization.

20312010004104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176980 (or 176973 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20312010004104 its reverse (40140001021302), we get a palindrome (60452011025406).

The spelling of 20312010004104 in words is "twenty trillion, three hundred twelve billion, ten million, four thousand, one hundred four".