1124240220020 has 24 divisors (see below), whose sum is σ = 2362744659744. Its totient is φ = 449345574176.

The previous prime is 1124240219969. The next prime is 1124240220029. The reversal of 1124240220020 is 200220424211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1124240219974 and 1124240220001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124240220029) 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, 21880814 + ... + 21932133.

It is an arithmetic number, because the mean of its divisors is an integer number (98447694156).

Almost surely, 2^{1124240220020} is an apocalyptic number.

1124240220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1124240220020 is an abundant number, since it is smaller than the sum of its proper divisors (1238504439724).

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

1124240220020 is a wasteful number, since it uses less digits than its factorization.

1124240220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43814239 (or 43814237 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1124240220020 its reverse (200220424211), we get a palindrome (1324460644231).

The spelling of 1124240220020 in words is "one trillion, one hundred twenty-four billion, two hundred forty million, two hundred twenty thousand, twenty".