1143220300420 has 48 divisors (see below), whose sum is σ = 2621414892096. Its totient is φ = 415335344000.

The previous prime is 1143220300363. The next prime is 1143220300451. The reversal of 1143220300420 is 240030223411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1143220300391 and 1143220300400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2141491 + ... + 2621530.

It is an arithmetic number, because the mean of its divisors is an integer number (54612810252).

Almost surely, 2^{1143220300420} is an apocalyptic number.

1143220300420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143220300420 is an abundant number, since it is smaller than the sum of its proper divisors (1478194591676).

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

1143220300420 is a wasteful number, since it uses less digits than its factorization.

1143220300420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764132 (or 4764130 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1143220300420 its reverse (240030223411), we get a palindrome (1383250523831).

The spelling of 1143220300420 in words is "one trillion, one hundred forty-three billion, two hundred twenty million, three hundred thousand, four hundred twenty".