20883070 has 16 divisors (see below), whose sum is σ = 40481280. Its totient is φ = 7710624.

The previous prime is 20883067. The next prime is 20883073. The reversal of 20883070 is 7038802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20883067) and next prime (20883073).

It is a super-2 number, since 2×20883070² = 872205225249800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20883073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80190 + ... + 80449.

It is an arithmetic number, because the mean of its divisors is an integer number (2530080).

Almost surely, 2^20883070 is an apocalyptic number.

20883070 is a deficient number, since it is larger than the sum of its proper divisors (19598210).

20883070 is a wasteful number, since it uses less digits than its factorization.

20883070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160659.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 20883070 is about 4569.7997767955. The cubic root of 20883070 is about 275.3793991925.

The spelling of 20883070 in words is "twenty million, eight hundred eighty-three thousand, seventy".