20602958 has 4 divisors (see below), whose sum is σ = 30904440. Its totient is φ = 10301478.

The previous prime is 20602949. The next prime is 20602961. The reversal of 20602958 is 85920602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85920602 = 2 ⋅42960301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5150738 + ... + 5150741.

It is an arithmetic number, because the mean of its divisors is an integer number (7726110).

Almost surely, 2^20602958 is an apocalyptic number.

20602958 is a deficient number, since it is larger than the sum of its proper divisors (10301482).

20602958 is a wasteful number, since it uses less digits than its factorization.

20602958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10301481.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 20602958 is about 4539.0481381012. The cubic root of 20602958 is about 274.1425989760.

The spelling of 20602958 in words is "twenty million, six hundred two thousand, nine hundred fifty-eight".