21300022029 has 64 divisors (see below), whose sum is σ = 35697715200. Its totient is φ = 11103609600.

The previous prime is 21300022001. The next prime is 21300022031. The reversal of 21300022029 is 92022000312.

It is not a de Polignac number, because 21300022029 - 2⁷ = 21300021901 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21300021996 and 21300022014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300022049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 475792 + ... + 518630.

It is an arithmetic number, because the mean of its divisors is an integer number (557776800).

Almost surely, 2^21300022029 is an apocalyptic number.

It is an amenable number.

21300022029 is a deficient number, since it is larger than the sum of its proper divisors (14397693171).

21300022029 is a wasteful number, since it uses less digits than its factorization.

21300022029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42946.

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 21300022029 in words is "twenty-one billion, three hundred million, twenty-two thousand, twenty-nine".