20224266447 has 32 divisors (see below), whose sum is σ = 33790293504. Its totient is φ = 10452758400.

The previous prime is 20224266407. The next prime is 20224266451. The reversal of 20224266447 is 74466242202.

It is not a de Polignac number, because 20224266447 - 2¹² = 20224262351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224266407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176704 + ... + 267717.

It is an arithmetic number, because the mean of its divisors is an integer number (1055946672).

Almost surely, 2^20224266447 is an apocalyptic number.

20224266447 is a deficient number, since it is larger than the sum of its proper divisors (13566027057).

20224266447 is a wasteful number, since it uses less digits than its factorization.

20224266447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444639.

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 20224266447 in words is "twenty billion, two hundred twenty-four million, two hundred sixty-six thousand, four hundred forty-seven".