20606046 has 16 divisors (see below), whose sum is σ = 41793408. Its totient is φ = 6771800.

The previous prime is 20606017. The next prime is 20606063. The reversal of 20606046 is 64060602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23760 + ... + 24611.

It is an arithmetic number, because the mean of its divisors is an integer number (2612088).

Almost surely, 2^20606046 is an apocalyptic number.

20606046 is an abundant number, since it is smaller than the sum of its proper divisors (21187362).

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

20606046 is a wasteful number, since it uses less digits than its factorization.

20606046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48447.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20606046 is about 4539.3882847802. The cubic root of 20606046 is about 274.1562945831.

Adding to 20606046 its reverse (64060602), we get a palindrome (84666648).

The spelling of 20606046 in words is "twenty million, six hundred six thousand, forty-six".