420301230413021 has 16 divisors (see below), whose sum is σ = 447087902876160. Its totient is φ = 393986145268800.

The previous prime is 420301230413011. The next prime is 420301230413023. The reversal of 420301230413021 is 120314032103024.

It is a cyclic number.

It is not a de Polignac number, because 420301230413021 - 2⁶ = 420301230412957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420301230413023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66878366 + ... + 72892511.

It is an arithmetic number, because the mean of its divisors is an integer number (27942993929760).

Almost surely, 2^{420301230413021} is an apocalyptic number.

It is an amenable number.

420301230413021 is a deficient number, since it is larger than the sum of its proper divisors (26786672463139).

420301230413021 is a wasteful number, since it uses less digits than its factorization.

420301230413021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139772564.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 420301230413021 its reverse (120314032103024), we get a palindrome (540615262516045).

The spelling of 420301230413021 in words is "four hundred twenty trillion, three hundred one billion, two hundred thirty million, four hundred thirteen thousand, twenty-one".