20120236226 has 4 divisors (see below), whose sum is σ = 30180354342. Its totient is φ = 10060118112.

The previous prime is 20120236189. The next prime is 20120236231. The reversal of 20120236226 is 62263202102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17187472201 + 2932764025 = 131101^2 + 54155^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20120236195 and 20120236204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5030059055 + ... + 5030059058.

Almost surely, 2^20120236226 is an apocalyptic number.

20120236226 is a deficient number, since it is larger than the sum of its proper divisors (10060118116).

20120236226 is a wasteful number, since it uses less digits than its factorization.

20120236226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060118115.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20120236226 its reverse (62263202102), we get a palindrome (82383438328).

The spelling of 20120236226 in words is "twenty billion, one hundred twenty million, two hundred thirty-six thousand, two hundred twenty-six".