20276070 has 64 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 5017088.

The previous prime is 20276063. The next prime is 20276083. The reversal of 20276070 is 7067202.

It is a super-2 number, since 2×20276070² = 822238029289800, 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 20276070.

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 31 ways as a sum of consecutive naturals, for example, 42091 + ... + 42569.

It is an arithmetic number, because the mean of its divisors is an integer number (816480).

Almost surely, 2^20276070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20276070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26127360).

20276070 is an abundant number, since it is smaller than the sum of its proper divisors (31978650).

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

20276070 is a wasteful number, since it uses less digits than its factorization.

20276070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 20276070 is about 4502.8957349688. The cubic root of 20276070 is about 272.6850074908.

The spelling of 20276070 in words is "twenty million, two hundred seventy-six thousand, seventy".