21330787145030 has 32 divisors (see below), whose sum is σ = 42595839982080. Its totient is φ = 7625181226720.

The previous prime is 21330787145029. The next prime is 21330787145069. The reversal of 21330787145030 is 3054178703312.

It is a happy number.

It is a congruent number.

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, 1643351534 + ... + 1643364513.

It is an arithmetic number, because the mean of its divisors is an integer number (1331119999440).

Almost surely, 2^{21330787145030} is an apocalyptic number.

21330787145030 is a deficient number, since it is larger than the sum of its proper divisors (21265052837050).

21330787145030 is a wasteful number, since it uses less digits than its factorization.

21330787145030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286716124.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 21330787145030 in words is "twenty-one trillion, three hundred thirty billion, seven hundred eighty-seven million, one hundred forty-five thousand, thirty".