20741220888 has 16 divisors (see below), whose sum is σ = 51853052280. Its totient is φ = 6913740288.

The previous prime is 20741220883. The next prime is 20741220911. The reversal of 20741220888 is 88802214702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20741220881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432108745 + ... + 432108792.

Almost surely, 2^20741220888 is an apocalyptic number.

It is an amenable number.

20741220888 is an abundant number, since it is smaller than the sum of its proper divisors (31111831392).

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

20741220888 is a wasteful number, since it uses less digits than its factorization.

20741220888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864217546 (or 864217542 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 20741220888 in words is "twenty billion, seven hundred forty-one million, two hundred twenty thousand, eight hundred eighty-eight".