20011222199964 has 48 divisors (see below), whose sum is σ = 47596625667360. Its totient is φ = 6541417359360.

The previous prime is 20011222199887. The next prime is 20011222200037. The reversal of 20011222199964 is 46999122211002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6202317 + ... + 8859524.

It is an arithmetic number, because the mean of its divisors is an integer number (991596368070).

Almost surely, 2^{20011222199964} is an apocalyptic number.

It is an amenable number.

20011222199964 is an abundant number, since it is smaller than the sum of its proper divisors (27585403467396).

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

20011222199964 is a wasteful number, since it uses less digits than its factorization.

20011222199964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063990 (or 15063988 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 20011222199964 in words is "twenty trillion, eleven billion, two hundred twenty-two million, one hundred ninety-nine thousand, nine hundred sixty-four".