20106122144 has 24 divisors (see below), whose sum is σ = 39723818400. Its totient is φ = 10017533376.

The previous prime is 20106122131. The next prime is 20106122167. The reversal of 20106122144 is 44122160102.

It is a super-2 number, since 2×20106122144² (a number of 21 digits) contains 22 as substring.

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, 1101044 + ... + 1119155.

It is an arithmetic number, because the mean of its divisors is an integer number (1655159100).

Almost surely, 2^20106122144 is an apocalyptic number.

It is an amenable number.

20106122144 is a deficient number, since it is larger than the sum of its proper divisors (19617696256).

20106122144 is a wasteful number, since it uses less digits than its factorization.

20106122144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220492 (or 2220484 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20106122144 its reverse (44122160102), we get a palindrome (64228282246).

The spelling of 20106122144 in words is "twenty billion, one hundred six million, one hundred twenty-two thousand, one hundred forty-four".