20030224340 has 24 divisors (see below), whose sum is σ = 48072538752. Its totient is φ = 6867505440.

The previous prime is 20030224307. The next prime is 20030224349. The reversal of 20030224340 is 4342203002.

It is a super-2 number, since 2×20030224340² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030224349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71536376 + ... + 71536655.

It is an arithmetic number, because the mean of its divisors is an integer number (2003022448).

Almost surely, 2^20030224340 is an apocalyptic number.

20030224340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20030224340 is an abundant number, since it is smaller than the sum of its proper divisors (28042314412).

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

20030224340 is a wasteful number, since it uses less digits than its factorization.

20030224340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143073047 (or 143073045 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20030224340 its reverse (4342203002), we get a palindrome (24372427342).

The spelling of 20030224340 in words is "twenty billion, thirty million, two hundred twenty-four thousand, three hundred forty".