20240024220 has 144 divisors (see below), whose sum is σ = 70006809600. Its totient is φ = 4689082368.

The previous prime is 20240024213. The next prime is 20240024239. The reversal of 20240024220 is 2242004202.

20240024220 is a `hidden beast` number, since 2 + 0 + 2 + 400 + 242 + 20 = 666.

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 = 20240024193 and 20240024202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214620 + ... + 294179.

It is an arithmetic number, because the mean of its divisors is an integer number (486158400).

Almost surely, 2^20240024220 is an apocalyptic number.

20240024220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20240024220 is an abundant number, since it is smaller than the sum of its proper divisors (49766785380).

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

20240024220 is a wasteful number, since it uses less digits than its factorization.

20240024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508844 (or 508839 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20240024220 its reverse (2242004202), we get a palindrome (22482028422).

The spelling of 20240024220 in words is "twenty billion, two hundred forty million, twenty-four thousand, two hundred twenty".