20267142 has 32 divisors (see below), whose sum is σ = 46490112. Its totient is φ = 5769984.

The previous prime is 20267119. The next prime is 20267197. The reversal of 20267142 is 24176202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14143 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (1452816).

Almost surely, 2^20267142 is an apocalyptic number.

20267142 is an abundant number, since it is smaller than the sum of its proper divisors (26222970).

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

20267142 is a wasteful number, since it uses less digits than its factorization.

20267142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20267142 is about 4501.9042637533. The cubic root of 20267142 is about 272.6449785443.

The spelling of 20267142 in words is "twenty million, two hundred sixty-seven thousand, one hundred forty-two".