20100312092 has 12 divisors (see below), whose sum is σ = 40200624240. Its totient is φ = 8614419456.

The previous prime is 20100312041. The next prime is 20100312103. The reversal of 20100312092 is 29021300102.

20100312092 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358934117 + ... + 358934172.

It is an arithmetic number, because the mean of its divisors is an integer number (3350052020).

Almost surely, 2^20100312092 is an apocalyptic number.

It is an amenable number.

20100312092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20100312092 is a wasteful number, since it uses less digits than its factorization.

20100312092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717868300 (or 717868298 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20100312092 its reverse (29021300102), we get a palindrome (49121612194).

The spelling of 20100312092 in words is "twenty billion, one hundred million, three hundred twelve thousand, ninety-two".