20601004 has 6 divisors (see below), whose sum is σ = 36051764. Its totient is φ = 10300500.

The previous prime is 20600977. The next prime is 20601023. The reversal of 20601004 is 40010602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575122 + ... + 2575129.

Almost surely, 2^20601004 is an apocalyptic number.

It is an amenable number.

20601004 is a deficient number, since it is larger than the sum of its proper divisors (15450760).

20601004 is a wasteful number, since it uses less digits than its factorization.

20601004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150255 (or 5150253 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20601004 is about 4538.8328896314. The cubic root of 20601004 is about 274.1339320721.

Adding to 20601004 its reverse (40010602), we get a palindrome (60611606).

The spelling of 20601004 in words is "twenty million, six hundred one thousand, four".