20244219995 has 32 divisors (see below), whose sum is σ = 25583910912. Its totient is φ = 15363567232.

The previous prime is 20244219949. The next prime is 20244220039. The reversal of 20244219995 is 59991244202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20244219995 - 2²⁶ = 20177111131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023974 + ... + 1043556.

It is an arithmetic number, because the mean of its divisors is an integer number (799497216).

Almost surely, 2^20244219995 is an apocalyptic number.

20244219995 is a deficient number, since it is larger than the sum of its proper divisors (5339690917).

20244219995 is a wasteful number, since it uses less digits than its factorization.

20244219995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19771.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 20244219995 in words is "twenty billion, two hundred forty-four million, two hundred nineteen thousand, nine hundred ninety-five".