20929106 has 16 divisors (see below), whose sum is σ = 35084448. Its totient is φ = 9280800.

The previous prime is 20929099. The next prime is 20929109. The reversal of 20929106 is 60192902.

It is not an unprimeable number, because it can be changed into a prime (20929109) 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, 10700 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (2192778).

Almost surely, 2^20929106 is an apocalyptic number.

20929106 is a deficient number, since it is larger than the sum of its proper divisors (14155342).

20929106 is a wasteful number, since it uses less digits than its factorization.

20929106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23257.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 20929106 is about 4574.8339860589. The cubic root of 20929106 is about 275.5816054423.

The spelling of 20929106 in words is "twenty million, nine hundred twenty-nine thousand, one hundred six".