20100312093 has 16 divisors (see below), whose sum is σ = 27612933056. Its totient is φ = 12999968640.

The previous prime is 20100312041. The next prime is 20100312103. The reversal of 20100312093 is 39021300102.

It is a happy number.

It is not a de Polignac number, because 20100312093 - 2⁸ = 20100311837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100332093) 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, 738955 + ... + 765672.

It is an arithmetic number, because the mean of its divisors is an integer number (1725808316).

Almost surely, 2^20100312093 is an apocalyptic number.

It is an amenable number.

20100312093 is a deficient number, since it is larger than the sum of its proper divisors (7512620963).

20100312093 is a wasteful number, since it uses less digits than its factorization.

20100312093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504764.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20100312093 its reverse (39021300102), we get a palindrome (59121612195).

The spelling of 20100312093 in words is "twenty billion, one hundred million, three hundred twelve thousand, ninety-three".