20620294 has 8 divisors (see below), whose sum is σ = 31684968. Its totient is φ = 10058640.

The previous prime is 20620289. The next prime is 20620319. The reversal of 20620294 is 49202602.

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

It is a congruent number.

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, 125652 + ... + 125815.

It is an arithmetic number, because the mean of its divisors is an integer number (3960621).

Almost surely, 2^20620294 is an apocalyptic number.

20620294 is a deficient number, since it is larger than the sum of its proper divisors (11064674).

20620294 is a wasteful number, since it uses less digits than its factorization.

20620294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251510.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20620294 is about 4540.9573880405. The cubic root of 20620294 is about 274.2194682576.

Adding to 20620294 its reverse (49202602), we get a palindrome (69822896).

The spelling of 20620294 in words is "twenty million, six hundred twenty thousand, two hundred ninety-four".