20673126 has 12 divisors (see below), whose sum is σ = 44791812. Its totient is φ = 6891036.

The previous prime is 20673101. The next prime is 20673131. The reversal of 20673126 is 62137602.

It is a happy number.

It is a super-2 number, since 2×20673126² = 854756277223752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20673126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 574236 + ... + 574271.

It is an arithmetic number, because the mean of its divisors is an integer number (3732651).

Almost surely, 2^20673126 is an apocalyptic number.

20673126 is an abundant number, since it is smaller than the sum of its proper divisors (24118686).

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

20673126 is a wasteful number, since it uses less digits than its factorization.

20673126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148515 (or 1148512 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20673126 is about 4546.7709421083. The cubic root of 20673126 is about 274.4534643958.

The spelling of 20673126 in words is "twenty million, six hundred seventy-three thousand, one hundred twenty-six".