20602226024 has 8 divisors (see below), whose sum is σ = 38629173810. Its totient is φ = 10301113008.

The previous prime is 20602226017. The next prime is 20602226027. The reversal of 20602226024 is 42062220602.

It can be written as a sum of positive squares in only one way, i.e., 13382325124 + 7219900900 = 115682^2 + 84970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20602225984 and 20602226002.

It is not an unprimeable number, because it can be changed into a prime (20602226027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287639119 + ... + 1287639134.

Almost surely, 2^20602226024 is an apocalyptic number.

It is an amenable number.

20602226024 is a deficient number, since it is larger than the sum of its proper divisors (18026947786).

20602226024 is a wasteful number, since it uses less digits than its factorization.

20602226024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575278259 (or 2575278255 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20602226024 its reverse (42062220602), we get a palindrome (62664446626).

The spelling of 20602226024 in words is "twenty billion, six hundred two million, two hundred twenty-six thousand, twenty-four".