20022134 has 8 divisors (see below), whose sum is σ = 32763528. Its totient is φ = 9100960.

The previous prime is 20022127. The next prime is 20022137. The reversal of 20022134 is 43122002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455027 + ... + 455070.

It is an arithmetic number, because the mean of its divisors is an integer number (4095441).

Almost surely, 2^20022134 is an apocalyptic number.

20022134 is a deficient number, since it is larger than the sum of its proper divisors (12741394).

20022134 is a wasteful number, since it uses less digits than its factorization.

20022134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910110.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20022134 is about 4474.6099271333. The cubic root of 20022134 is about 271.5418596083.

Adding to 20022134 its reverse (43122002), we get a palindrome (63144136).

It can be divided in two parts, 200 and 22134, that multiplied together give a triangular number (4426800 = T₂₉₇₅).

The spelling of 20022134 in words is "twenty million, twenty-two thousand, one hundred thirty-four".