20746126 has 4 divisors (see below), whose sum is σ = 31119192. Its totient is φ = 10373062.

The previous prime is 20746109. The next prime is 20746127. The reversal of 20746126 is 62164702.

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

It is a junction number, because it is equal to n+sod(n) for n = 20746094 and 20746103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20746127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5186530 + ... + 5186533.

It is an arithmetic number, because the mean of its divisors is an integer number (7779798).

Almost surely, 2^20746126 is an apocalyptic number.

20746126 is a deficient number, since it is larger than the sum of its proper divisors (10373066).

20746126 is a wasteful number, since it uses less digits than its factorization.

20746126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10373065.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20746126 is about 4554.7915429798. The cubic root of 20746126 is about 274.7761307519.

The spelling of 20746126 in words is "twenty million, seven hundred forty-six thousand, one hundred twenty-six".