421024113020 has 48 divisors (see below), whose sum is σ = 1011742072320. Its totient is φ = 144167667264.

The previous prime is 421024113011. The next prime is 421024113067. The reversal of 421024113020 is 20311420124.

It is a super-2 number, since 2×421024113020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 421024112983 and 421024113001.

It is a congruent number.

It is an unprimeable number.

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, 1800440 + ... + 2020799.

It is an arithmetic number, because the mean of its divisors is an integer number (21077959840).

Almost surely, 2^421024113020 is an apocalyptic number.

It is an amenable number.

421024113020 is an abundant number, since it is smaller than the sum of its proper divisors (590717959300).

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

421024113020 is a wasteful number, since it uses less digits than its factorization.

421024113020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822042 (or 3822040 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 421024113020 its reverse (20311420124), we get a palindrome (441335533144).

The spelling of 421024113020 in words is "four hundred twenty-one billion, twenty-four million, one hundred thirteen thousand, twenty".