20602461 has 16 divisors (see below), whose sum is σ = 30666240. Its totient is φ = 12195120.

The previous prime is 20602447. The next prime is 20602469. The reversal of 20602461 is 16420602.

It is a happy number.

It is not a de Polignac number, because 20602461 - 2¹⁷ = 20471389 is a prime.

It is a super-2 number, since 2×20602461² = 848922798513042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5841 + ... + 8678.

It is an arithmetic number, because the mean of its divisors is an integer number (1916640).

Almost surely, 2^20602461 is an apocalyptic number.

It is an amenable number.

20602461 is a deficient number, since it is larger than the sum of its proper divisors (10063779).

20602461 is a wasteful number, since it uses less digits than its factorization.

20602461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14576.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20602461 is about 4538.9933906099. The cubic root of 20602461 is about 274.1403946005.

The spelling of 20602461 in words is "twenty million, six hundred two thousand, four hundred sixty-one".