20922110 has 24 divisors (see below), whose sum is σ = 41397048. Its totient is φ = 7607600.

The previous prime is 20922103. The next prime is 20922119. The reversal of 20922110 is 1122902.

20922110 = 35² + 36² + ... + 397².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20922119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7436 + ... + 9855.

It is an arithmetic number, because the mean of its divisors is an integer number (1724877).

Almost surely, 2^20922110 is an apocalyptic number.

20922110 is a deficient number, since it is larger than the sum of its proper divisors (20474938).

20922110 is a wasteful number, since it uses less digits than its factorization.

20922110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17320 (or 17309 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 20922110 is about 4574.0693042410. The cubic root of 20922110 is about 275.5508956775.

The spelling of 20922110 in words is "twenty million, nine hundred twenty-two thousand, one hundred ten".