20276372 has 6 divisors (see below), whose sum is σ = 35483658. Its totient is φ = 10138184.

The previous prime is 20276351. The next prime is 20276419. The reversal of 20276372 is 27367202.

It can be written as a sum of positive squares in only one way, i.e., 17606416 + 2669956 = 4196^2 + 1634^2 .

It is a super-2 number, since 2×20276372² = 822262522964768, 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534543 + ... + 2534550.

It is an arithmetic number, because the mean of its divisors is an integer number (5913943).

Almost surely, 2^20276372 is an apocalyptic number.

It is an amenable number.

20276372 is a deficient number, since it is larger than the sum of its proper divisors (15207286).

20276372 is a wasteful number, since it uses less digits than its factorization.

20276372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069097 (or 5069095 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20276372 is about 4502.9292688205. The cubic root of 20276372 is about 272.6863613111.

The spelling of 20276372 in words is "twenty million, two hundred seventy-six thousand, three hundred seventy-two".