20130122068 has 24 divisors (see below), whose sum is σ = 40263398784. Its totient is φ = 8626519200.

The previous prime is 20130122063. The next prime is 20130122069. The reversal of 20130122068 is 86022103102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130122063) 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, 528753 + ... + 565543.

It is an arithmetic number, because the mean of its divisors is an integer number (1677641616).

Almost surely, 2^20130122068 is an apocalyptic number.

20130122068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20130122068 is an abundant number, since it is smaller than the sum of its proper divisors (20133276716).

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

20130122068 is a wasteful number, since it uses less digits than its factorization.

20130122068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56343 (or 56341 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 20130122068 in words is "twenty billion, one hundred thirty million, one hundred twenty-two thousand, sixty-eight".