20486901 has 8 divisors (see below), whose sum is σ = 27337824. Its totient is φ = 13646960.

The previous prime is 20486899. The next prime is 20486903. The reversal of 20486901 is 10968402.

It is an interprime number because it is at equal distance from previous prime (20486899) and next prime (20486903).

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

It is a cyclic number.

It is not a de Polignac number, because 20486901 - 2¹ = 20486899 is a prime.

It is a super-2 number, since 2×20486901² = 839426225167602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (3417228).

Almost surely, 2^20486901 is an apocalyptic number.

It is an amenable number.

20486901 is a deficient number, since it is larger than the sum of its proper divisors (6850923).

20486901 is a wasteful number, since it uses less digits than its factorization.

20486901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 20486901 is about 4526.2457953584. The cubic root of 20486901 is about 273.6268786006.

The spelling of 20486901 in words is "twenty million, four hundred eighty-six thousand, nine hundred one".