20222515730 has 8 divisors (see below), whose sum is σ = 36400528332. Its totient is φ = 8089006288.

The previous prime is 20222515717. The next prime is 20222515757. The reversal of 20222515730 is 3751522202.

It can be written as a sum of positive squares in 2 ways, for example, as 19472248849 + 750266881 = 139543^2 + 27391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20222515693 and 20222515702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011125777 + ... + 1011125796.

Almost surely, 2^20222515730 is an apocalyptic number.

20222515730 is a deficient number, since it is larger than the sum of its proper divisors (16178012602).

20222515730 is a wasteful number, since it uses less digits than its factorization.

20222515730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022251580.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 20222515730 in words is "twenty billion, two hundred twenty-two million, five hundred fifteen thousand, seven hundred thirty".