20612034 has 24 divisors (see below), whose sum is σ = 45867900. Its totient is φ = 6684768.

The previous prime is 20612027. The next prime is 20612089. The reversal of 20612034 is 43021602.

It is a happy number.

20612034 is a `hidden beast` number, since 20 + 612 + 0 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15563025 + 5049009 = 3945^2 + 2247^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20611998 and 20612016.

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 11 ways as a sum of consecutive naturals, for example, 14809 + ... + 16140.

Almost surely, 2^20612034 is an apocalyptic number.

20612034 is an abundant number, since it is smaller than the sum of its proper divisors (25255866).

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

20612034 is a wasteful number, since it uses less digits than its factorization.

20612034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30994 (or 30991 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20612034 is about 4540.0477971052. The cubic root of 20612034 is about 274.1828480989.

Adding to 20612034 its reverse (43021602), we get a palindrome (63633636).

It can be divided in two parts, 2061 and 2034, that added together give a triangular number (4095 = T₉₀).

The spelling of 20612034 in words is "twenty million, six hundred twelve thousand, thirty-four".