20122010 has 32 divisors (see below), whose sum is σ = 38257920. Its totient is φ = 7604608.

The previous prime is 20121989. The next prime is 20122031. The reversal of 20122010 is 1022102.

It is an interprime number because it is at equal distance from previous prime (20121989) and next prime (20122031).

It is a Curzon 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 in 15 ways as a sum of consecutive naturals, for example, 19979 + ... + 20961.

It is an arithmetic number, because the mean of its divisors is an integer number (1195560).

Almost surely, 2^20122010 is an apocalyptic number.

20122010 is a deficient number, since it is larger than the sum of its proper divisors (18135910).

20122010 is a wasteful number, since it uses less digits than its factorization.

20122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 20122010 is about 4485.7563464816. The cubic root of 20122010 is about 271.9926198257.

Adding to 20122010 its reverse (1022102), we get a palindrome (21144112).

The spelling of 20122010 in words is "twenty million, one hundred twenty-two thousand, ten".