20223064650 has 48 divisors (see below), whose sum is σ = 50975407008. Its totient is φ = 5304408000.

The previous prime is 20223064633. The next prime is 20223064657. The reversal of 20223064650 is 5646032202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (20223064657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095936 + ... + 1114235.

It is an arithmetic number, because the mean of its divisors is an integer number (1061987646).

Almost surely, 2^20223064650 is an apocalyptic number.

20223064650 is an abundant number, since it is smaller than the sum of its proper divisors (30752342358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20223064650 is a wasteful number, since it uses less digits than its factorization.

20223064650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210247 (or 2210242 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 20223064650 its reverse (5646032202), we get a palindrome (25869096852).

The spelling of 20223064650 in words is "twenty billion, two hundred twenty-three million, sixty-four thousand, six hundred fifty".