20630034 has 24 divisors (see below), whose sum is σ = 46642752. Its totient is φ = 6577560.

The previous prime is 20630033. The next prime is 20630041. The reversal of 20630034 is 43003602.

20630034 is a `hidden beast` number, since 2 + 0 + 630 + 0 + 34 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20629989 and 20630016.

It is not an unprimeable number, because it can be changed into a prime (20630033) by changing a digit.

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, 24502 + ... + 25329.

It is an arithmetic number, because the mean of its divisors is an integer number (1943448).

Almost surely, 2^20630034 is an apocalyptic number.

20630034 is an abundant number, since it is smaller than the sum of its proper divisors (26012718).

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

20630034 is a wasteful number, since it uses less digits than its factorization.

20630034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49862 (or 49859 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20630034 is about 4542.0297224919. The cubic root of 20630034 is about 274.2626373349.

Adding to 20630034 its reverse (43003602), we get a palindrome (63633636).

The spelling of 20630034 in words is "twenty million, six hundred thirty thousand, thirty-four".