20062730 has 8 divisors (see below), whose sum is σ = 36112932. Its totient is φ = 8025088.

The previous prime is 20062729. The next prime is 20062747. The reversal of 20062730 is 3726002.

It can be written as a sum of positive squares in 2 ways, for example, as 18653761 + 1408969 = 4319^2 + 1187^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003127 + ... + 1003146.

Almost surely, 2^20062730 is an apocalyptic number.

20062730 is a deficient number, since it is larger than the sum of its proper divisors (16050202).

20062730 is a wasteful number, since it uses less digits than its factorization.

20062730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006280.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20062730 is about 4479.1438914150. The cubic root of 20062730 is about 271.7252578323.

Adding to 20062730 its reverse (3726002), we get a palindrome (23788732).

The spelling of 20062730 in words is "twenty million, sixty-two thousand, seven hundred thirty".