20601404 has 6 divisors (see below), whose sum is σ = 36052464. Its totient is φ = 10300700.

The previous prime is 20601401. The next prime is 20601421. The reversal of 20601404 is 40410602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575172 + ... + 2575179.

It is an arithmetic number, because the mean of its divisors is an integer number (6008744).

Almost surely, 2^20601404 is an apocalyptic number.

It is an amenable number.

20601404 is a deficient number, since it is larger than the sum of its proper divisors (15451060).

20601404 is a wasteful number, since it uses less digits than its factorization.

20601404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150355 (or 5150353 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20601404 is about 4538.8769536087. The cubic root of 20601404 is about 274.1357063038.

The spelling of 20601404 in words is "twenty million, six hundred one thousand, four hundred four".