20142143222100 has 36 divisors (see below), whose sum is σ = 58277934390144. Its totient is φ = 5371238192480.

The previous prime is 20142143222077. The next prime is 20142143222107. The reversal of 20142143222100 is 122234124102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20142143222107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33570238404 + ... + 33570239003.

Almost surely, 2^{20142143222100} is an apocalyptic number.

20142143222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20142143222100 is an abundant number, since it is smaller than the sum of its proper divisors (38135791168044).

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

20142143222100 is a wasteful number, since it uses less digits than its factorization.

20142143222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67140477424 (or 67140477417 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20142143222100 its reverse (122234124102), we get a palindrome (20264377346202).

The spelling of 20142143222100 in words is "twenty trillion, one hundred forty-two billion, one hundred forty-three million, two hundred twenty-two thousand, one hundred".