21302000093 has 16 divisors (see below), whose sum is σ = 25177749696. Its totient is φ = 17802435840.

The previous prime is 21302000077. The next prime is 21302000113. The reversal of 21302000093 is 39000020312.

It is a cyclic number.

It is not a de Polignac number, because 21302000093 - 2⁴ = 21302000077 is a prime.

It is a super-4 number, since 4×21302000093⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302000693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316546 + ... + 1332627.

It is an arithmetic number, because the mean of its divisors is an integer number (1573609356).

Almost surely, 2^21302000093 is an apocalyptic number.

It is an amenable number.

21302000093 is a deficient number, since it is larger than the sum of its proper divisors (3875749603).

21302000093 is a wasteful number, since it uses less digits than its factorization.

21302000093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649244.

The product of its (nonzero) digits is 324, while the sum is 20.

The spelling of 21302000093 in words is "twenty-one billion, three hundred two million, ninety-three", and thus it is an aban number.