2420421143140 has 144 divisors (see below), whose sum is σ = 6946439822784. Its totient is φ = 696384864000.

The previous prime is 2420421143069. The next prime is 2420421143159. The reversal of 2420421143140 is 413411240242.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2420421143099 and 2420421143108.

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, 8495586 + ... + 8775865.

It is an arithmetic number, because the mean of its divisors is an integer number (48239165436).

Almost surely, 2^{2420421143140} is an apocalyptic number.

2420421143140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420421143140 is an abundant number, since it is smaller than the sum of its proper divisors (4526018679644).

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

2420421143140 is a wasteful number, since it uses less digits than its factorization.

2420421143140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17271498 (or 17271489 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 2420421143140 its reverse (413411240242), we get a palindrome (2833832383382).

The spelling of 2420421143140 in words is "two trillion, four hundred twenty billion, four hundred twenty-one million, one hundred forty-three thousand, one hundred forty".