20220124140 has 144 divisors (see below), whose sum is σ = 66789122400. Its totient is φ = 4932071424.

The previous prime is 20220124123. The next prime is 20220124147. The reversal of 20220124140 is 4142102202.

20220124140 is a `hidden beast` number, since 20 + 220 + 12 + 414 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20220124147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2757 + ... + 201116.

It is an arithmetic number, because the mean of its divisors is an integer number (463813350).

Almost surely, 2^20220124140 is an apocalyptic number.

20220124140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220124140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33394561200).

20220124140 is an abundant number, since it is smaller than the sum of its proper divisors (46568998260).

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

20220124140 is a wasteful number, since it uses less digits than its factorization.

20220124140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203936 (or 203931 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20220124140 its reverse (4142102202), we get a palindrome (24362226342).

The spelling of 20220124140 in words is "twenty billion, two hundred twenty million, one hundred twenty-four thousand, one hundred forty".