20357226370 has 16 divisors (see below), whose sum is σ = 39461700600. Its totient is φ = 7516514304.

The previous prime is 20357226343. The next prime is 20357226371. The reversal of 20357226370 is 7362275302.

It can be written as a sum of positive squares in 4 ways, for example, as 18537094801 + 1820131569 = 136151^2 + 42663^2 .

It is not an unprimeable number, because it can be changed into a prime (20357226371) 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, 78296895 + ... + 78297154.

Almost surely, 2^20357226370 is an apocalyptic number.

20357226370 is a deficient number, since it is larger than the sum of its proper divisors (19104474230).

20357226370 is a wasteful number, since it uses less digits than its factorization.

20357226370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156594069.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 20357226370 in words is "twenty billion, three hundred fifty-seven million, two hundred twenty-six thousand, three hundred seventy".