20217224462 has 8 divisors (see below), whose sum is σ = 30544008600. Its totient is φ = 10035888264.

The previous prime is 20217224441. The next prime is 20217224471. The reversal of 20217224462 is 26442271202.

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

It is a congruent number.

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, 36361637 + ... + 36362192.

It is an arithmetic number, because the mean of its divisors is an integer number (3818001075).

Almost surely, 2^20217224462 is an apocalyptic number.

20217224462 is a deficient number, since it is larger than the sum of its proper divisors (10326784138).

20217224462 is a wasteful number, since it uses less digits than its factorization.

20217224462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72723970.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 20217224462 its reverse (26442271202), we get a palindrome (46659495664).

The spelling of 20217224462 in words is "twenty billion, two hundred seventeen million, two hundred twenty-four thousand, four hundred sixty-two".