21430202424000 has 224 divisors, whose sum is σ = 72488447059392. Its totient is φ = 5575336960000.

The previous prime is 21430202423999. The next prime is 21430202424019. The reversal of 21430202424000 is 42420203412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9905331 + ... + 11873330.

It is an arithmetic number, because the mean of its divisors is an integer number (323609138658).

Almost surely, 2^{21430202424000} is an apocalyptic number.

21430202424000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21430202424000 is an abundant number, since it is smaller than the sum of its proper divisors (51058244635392).

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

21430202424000 is a wasteful number, since it uses less digits than its factorization.

21430202424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21778732 (or 21778712 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 21430202424000 its reverse (42420203412), we get a palindrome (21472622627412).

The spelling of 21430202424000 in words is "twenty-one trillion, four hundred thirty billion, two hundred two million, four hundred twenty-four thousand".