20242124244440 has 64 divisors (see below), whose sum is σ = 52249090037760. Its totient is φ = 6913768429440.

The previous prime is 20242124244431. The next prime is 20242124244457. The reversal of 20242124244440 is 4444242124202.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 20242124244440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137366096 + ... + 137513375.

It is an arithmetic number, because the mean of its divisors is an integer number (816392031840).

Almost surely, 2^{20242124244440} is an apocalyptic number.

20242124244440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242124244440 is an abundant number, since it is smaller than the sum of its proper divisors (32006965793320).

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

20242124244440 is a wasteful number, since it uses less digits than its factorization.

20242124244440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274879752 (or 274879748 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 20242124244440 its reverse (4444242124202), we get a palindrome (24686366368642).

The spelling of 20242124244440 in words is "twenty trillion, two hundred forty-two billion, one hundred twenty-four million, two hundred forty-four thousand, four hundred forty".