20276952 has 64 divisors (see below), whose sum is σ = 54432000. Its totient is φ = 6274944.

The previous prime is 20276923. The next prime is 20276969. The reversal of 20276952 is 25967202.

It is a happy number.

It is a super-2 number, since 2×20276952² = 822309564820608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23749 + ... + 24587.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^20276952 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 20276952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27216000).

20276952 is an abundant number, since it is smaller than the sum of its proper divisors (34155048).

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

20276952 is a wasteful number, since it uses less digits than its factorization.

20276952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20276952 is about 4502.9936708816. The cubic root of 20276952 is about 272.6889613255.

The spelling of 20276952 in words is "twenty million, two hundred seventy-six thousand, nine hundred fifty-two".