20124554101050 has 384 divisors, whose sum is σ = 63296337346560. Its totient is φ = 4127489913600.

The previous prime is 20124554101021. The next prime is 20124554101051. The reversal of 20124554101050 is 5010145542102.

It is a super-2 number, since 2×20124554101050² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20124554100999 and 20124554101017.

It is not an unprimeable number, because it can be changed into a prime (20124554101051) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28720977 + ... + 29413323.

It is an arithmetic number, because the mean of its divisors is an integer number (164834211840).

Almost surely, 2^{20124554101050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20124554101050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31648168673280).

20124554101050 is an abundant number, since it is smaller than the sum of its proper divisors (43171783245510).

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

20124554101050 is a wasteful number, since it uses less digits than its factorization.

20124554101050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692466 (or 692461 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 20124554101050 its reverse (5010145542102), we get a palindrome (25134699643152).

The spelling of 20124554101050 in words is "twenty trillion, one hundred twenty-four billion, five hundred fifty-four million, one hundred one thousand, fifty".