21092930030 has 64 divisors (see below), whose sum is σ = 41349310272. Its totient is φ = 7714621440.

The previous prime is 21092930029. The next prime is 21092930057. The reversal of 21092930030 is 3003929012.

It is a junction number, because it is equal to n+sod(n) for n = 21092929975 and 21092930002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4948100 + ... + 4952360.

It is an arithmetic number, because the mean of its divisors is an integer number (646082973).

Almost surely, 2^21092930030 is an apocalyptic number.

21092930030 is a deficient number, since it is larger than the sum of its proper divisors (20256380242).

21092930030 is a wasteful number, since it uses less digits than its factorization.

21092930030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 21092930030 in words is "twenty-one billion, ninety-two million, nine hundred thirty thousand, thirty".