20224306534 has 16 divisors (see below), whose sum is σ = 32084470080. Its totient is φ = 9534528360.

The previous prime is 20224306499. The next prime is 20224306537. The reversal of 20224306534 is 43560342202.

It is a junction number, because it is equal to n+sod(n) for n = 20224306496 and 20224306505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224306537) 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, 1253164 + ... + 1269199.

It is an arithmetic number, because the mean of its divisors is an integer number (2005279380).

Almost surely, 2^20224306534 is an apocalyptic number.

20224306534 is a deficient number, since it is larger than the sum of its proper divisors (11860163546).

20224306534 is a wasteful number, since it uses less digits than its factorization.

20224306534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522595.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 20224306534 its reverse (43560342202), we get a palindrome (63784648736).

The spelling of 20224306534 in words is "twenty billion, two hundred twenty-four million, three hundred six thousand, five hundred thirty-four".