20267102 has 4 divisors (see below), whose sum is σ = 30400656. Its totient is φ = 10133550.

The previous prime is 20267101. The next prime is 20267119. The reversal of 20267102 is 20176202.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20267101) 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 as a sum of consecutive naturals, namely, 5066774 + ... + 5066777.

It is an arithmetic number, because the mean of its divisors is an integer number (7600164).

Almost surely, 2^20267102 is an apocalyptic number.

20267102 is a deficient number, since it is larger than the sum of its proper divisors (10133554).

20267102 is a wasteful number, since it uses less digits than its factorization.

20267102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10133553.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20267102 is about 4501.8998211866. The cubic root of 20267102 is about 272.6447991767.

The spelling of 20267102 in words is "twenty million, two hundred sixty-seven thousand, one hundred two".