2143101420 has 144 divisors (see below), whose sum is σ = 6700774080. Its totient is φ = 554024448.

The previous prime is 2143101377. The next prime is 2143101437. The reversal of 2143101420 is 241013412.

2143101420 is a `hidden beast` number, since 2 + 143 + 101 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2143101393 and 2143101402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2923374 + ... + 2924106.

Almost surely, 2^2143101420 is an apocalyptic number.

2143101420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143101420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3350387040).

2143101420 is an abundant number, since it is smaller than the sum of its proper divisors (4557672660).

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

2143101420 is a wasteful number, since it uses less digits than its factorization.

2143101420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2143101420 is about 46293.6434081397. The cubic root of 2143101420 is about 1289.2809766245.

Adding to 2143101420 its reverse (241013412), we get a palindrome (2384114832).

The spelling of 2143101420 in words is "two billion, one hundred forty-three million, one hundred one thousand, four hundred twenty".