21326340300 has 36 divisors (see below), whose sum is σ = 61704212136. Its totient is φ = 5687024000.

The previous prime is 21326340293. The next prime is 21326340317. The reversal of 21326340300 is 304362312.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35543601 + ... + 35544200.

Almost surely, 2^21326340300 is an apocalyptic number.

21326340300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21326340300 is an abundant number, since it is smaller than the sum of its proper divisors (40377871836).

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

21326340300 is a wasteful number, since it uses less digits than its factorization.

21326340300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71087818 (or 71087811 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The spelling of 21326340300 in words is "twenty-one billion, three hundred twenty-six million, three hundred forty thousand, three hundred".