20224331894 has 64 divisors (see below), whose sum is σ = 36149016960. Its totient is φ = 8390891520.

The previous prime is 20224331887. The next prime is 20224331909. The reversal of 20224331894 is 49813342202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10866524 + ... + 10868384.

It is an arithmetic number, because the mean of its divisors is an integer number (564828390).

Almost surely, 2^20224331894 is an apocalyptic number.

20224331894 is a deficient number, since it is larger than the sum of its proper divisors (15924685066).

20224331894 is a wasteful number, since it uses less digits than its factorization.

20224331894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 20224331894 in words is "twenty billion, two hundred twenty-four million, three hundred thirty-one thousand, eight hundred ninety-four".