1143424200420 has 96 divisors (see below), whose sum is σ = 3562575408000. Its totient is φ = 304462634112.

The previous prime is 1143424200409. The next prime is 1143424200427. The reversal of 1143424200420 is 240024243411.

1143424200420 is a `hidden beast` number, since 1 + 1 + 4 + 34 + 2 + 4 + 200 + 420 = 666.

It is a super-2 number, since 2×1143424200420² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1143424200427) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1198270 + ... + 1929429.

It is an arithmetic number, because the mean of its divisors is an integer number (37110160500).

Almost surely, 2^{1143424200420} is an apocalyptic number.

1143424200420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143424200420 is an abundant number, since it is smaller than the sum of its proper divisors (2419151207580).

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

1143424200420 is a wasteful number, since it uses less digits than its factorization.

1143424200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128394 (or 3128386 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1143424200420 its reverse (240024243411), we get a palindrome (1383448443831).

The spelling of 1143424200420 in words is "one trillion, one hundred forty-three billion, four hundred twenty-four million, two hundred thousand, four hundred twenty".