21332970930 has 16 divisors (see below), whose sum is σ = 51199130304. Its totient is φ = 5688792240.

The previous prime is 21332970839. The next prime is 21332970937. The reversal of 21332970930 is 3907923312.

It is not an unprimeable number, because it can be changed into a prime (21332970937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355549486 + ... + 355549545.

It is an arithmetic number, because the mean of its divisors is an integer number (3199945644).

Almost surely, 2^21332970930 is an apocalyptic number.

21332970930 is an abundant number, since it is smaller than the sum of its proper divisors (29866159374).

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

21332970930 is a wasteful number, since it uses less digits than its factorization.

21332970930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711099041.

The product of its (nonzero) digits is 61236, while the sum is 39.

The spelling of 21332970930 in words is "twenty-one billion, three hundred thirty-two million, nine hundred seventy thousand, nine hundred thirty".