21420000301 has 16 divisors (see below), whose sum is σ = 24635750400. Its totient is φ = 18243556848.

The previous prime is 21420000241. The next prime is 21420000307. The reversal of 21420000301 is 10300002412.

It is a cyclic number.

It is not a de Polignac number, because 21420000301 - 2¹⁵ = 21419967533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21420000307) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 696120 + ... + 726238.

It is an arithmetic number, because the mean of its divisors is an integer number (1539734400).

Almost surely, 2^21420000301 is an apocalyptic number.

It is an amenable number.

21420000301 is a deficient number, since it is larger than the sum of its proper divisors (3215750099).

21420000301 is a wasteful number, since it uses less digits than its factorization.

21420000301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30768.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 21420000301 its reverse (10300002412), we get a palindrome (31720002713).

The spelling of 21420000301 in words is "twenty-one billion, four hundred twenty million, three hundred one", and thus it is an aban number.