210030020424 has 96 divisors (see below), whose sum is σ = 650244928320. Its totient is φ = 59994546048.

The previous prime is 210030020401. The next prime is 210030020441. The reversal of 210030020424 is 424020030012.

210030020424 is a `hidden beast` number, since 210 + 0 + 30 + 0 + 2 + 0 + 424 = 666.

It is a super-2 number, since 2×210030020424² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210030020397 and 210030020406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2212954 + ... + 2305910.

It is an arithmetic number, because the mean of its divisors is an integer number (6773384670).

Almost surely, 2^210030020424 is an apocalyptic number.

210030020424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

210030020424 is an abundant number, since it is smaller than the sum of its proper divisors (440214907896).

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

210030020424 is a wasteful number, since it uses less digits than its factorization.

210030020424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97459 (or 97452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 210030020424 its reverse (424020030012), we get a palindrome (634050050436).

The spelling of 210030020424 in words is "two hundred ten billion, thirty million, twenty thousand, four hundred twenty-four".