20277827752 has 32 divisors (see below), whose sum is σ = 46794988800. Its totient is φ = 8021997504.

The previous prime is 20277827711. The next prime is 20277827761. The reversal of 20277827752 is 25772877202.

It is a happy number.

It is a super-2 number, since 2×20277827752² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20277827696 and 20277827705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13926352 + ... + 13927807.

It is an arithmetic number, because the mean of its divisors is an integer number (1462343400).

Almost surely, 2^20277827752 is an apocalyptic number.

It is an amenable number.

20277827752 is an abundant number, since it is smaller than the sum of its proper divisors (26517161048).

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

20277827752 is a wasteful number, since it uses less digits than its factorization.

20277827752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27854185 (or 27854181 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 49.

The spelling of 20277827752 in words is "twenty billion, two hundred seventy-seven million, eight hundred twenty-seven thousand, seven hundred fifty-two".