20101321094 has 16 divisors (see below), whose sum is σ = 30774548160. Its totient is φ = 9844517760.

The previous prime is 20101321091. The next prime is 20101321117. The reversal of 20101321094 is 49012310102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101321091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315539 + ... + 373854.

It is an arithmetic number, because the mean of its divisors is an integer number (1923409260).

Almost surely, 2^20101321094 is an apocalyptic number.

20101321094 is a deficient number, since it is larger than the sum of its proper divisors (10673227066).

20101321094 is a wasteful number, since it uses less digits than its factorization.

20101321094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689695.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 20101321094 its reverse (49012310102), we get a palindrome (69113631196).

The spelling of 20101321094 in words is "twenty billion, one hundred one million, three hundred twenty-one thousand, ninety-four".