20140277987676 has 288 divisors, whose sum is σ = 59565651264000. Its totient is φ = 5145310978560.

The previous prime is 20140277987653. The next prime is 20140277987743. The reversal of 20140277987676 is 67678977204102.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1460597790 + ... + 1460611578.

It is an arithmetic number, because the mean of its divisors is an integer number (206825178000).

Almost surely, 2^{20140277987676} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20140277987676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29782825632000).

20140277987676 is an abundant number, since it is smaller than the sum of its proper divisors (39425373276324).

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

20140277987676 is a wasteful number, since it uses less digits than its factorization.

20140277987676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14169 (or 14064 counting only the distinct ones).

The product of its (nonzero) digits is 99574272, while the sum is 66.

The spelling of 20140277987676 in words is "twenty trillion, one hundred forty billion, two hundred seventy-seven million, nine hundred eighty-seven thousand, six hundred seventy-six".