1020122224440 has 64 divisors (see below), whose sum is σ = 3338581829760. Its totient is φ = 247302357120.

The previous prime is 1020122224403. The next prime is 1020122224453. The reversal of 1020122224440 is 444222210201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1020122224440.

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, 386408614 + ... + 386411253.

It is an arithmetic number, because the mean of its divisors is an integer number (52165341090).

Almost surely, 2^{1020122224440} is an apocalyptic number.

1020122224440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020122224440 is an abundant number, since it is smaller than the sum of its proper divisors (2318459605320).

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

1020122224440 is a wasteful number, since it uses less digits than its factorization.

1020122224440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772819892 (or 772819888 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1020122224440 its reverse (444222210201), we get a palindrome (1464344434641).

The spelling of 1020122224440 in words is "one trillion, twenty billion, one hundred twenty-two million, two hundred twenty-four thousand, four hundred forty".