20377400766652 has 12 divisors (see below), whose sum is σ = 35660490937960. Its totient is φ = 10188689070096.

The previous prime is 20377400766607. The next prime is 20377400766659. The reversal of 20377400766652 is 25666700477302.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20377400766593 and 20377400766602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20377400766659) 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, 2229283 + ... + 6761989.

Almost surely, 2^{20377400766652} is an apocalyptic number.

It is an amenable number.

20377400766652 is a deficient number, since it is larger than the sum of its proper divisors (15283090171308).

20377400766652 is a wasteful number, since it uses less digits than its factorization.

20377400766652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656620 (or 5656618 counting only the distinct ones).

The product of its (nonzero) digits is 17781120, while the sum is 55.

The spelling of 20377400766652 in words is "twenty trillion, three hundred seventy-seven billion, four hundred million, seven hundred sixty-six thousand, six hundred fifty-two".