20276000 has 96 divisors (see below), whose sum is σ = 51538032. Its totient is φ = 7833600.

The previous prime is 20275991. The next prime is 20276023. The reversal of 20276000 is 67202.

It can be written as a sum of positive squares in 8 ways, for example, as 3857296 + 16418704 = 1964^2 + 4052^2 .

It is a super-2 number, since 2×20276000² = 822232352000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20276000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147932 + ... + 148068.

Almost surely, 2^20276000 is an apocalyptic number.

20276000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20276000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25769016).

20276000 is an abundant number, since it is smaller than the sum of its proper divisors (31262032).

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

20276000 is a wasteful number, since it uses less digits than its factorization.

20276000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20276000 is about 4502.8879621860. The cubic root of 20276000 is about 272.6846936895.

The spelling of 20276000 in words is "twenty million, two hundred seventy-six thousand".