20061446 has 8 divisors (see below), whose sum is σ = 31129920. Its totient is φ = 9684808.

The previous prime is 20061439. The next prime is 20061449. The reversal of 20061446 is 64416002.

20061446 = 2238² + 2239² + ... + 2241².

It is a happy number.

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

It is a super-2 number, since 2×20061446² = 804923231221832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172886 + ... + 173001.

It is an arithmetic number, because the mean of its divisors is an integer number (3891240).

Almost surely, 2^20061446 is an apocalyptic number.

20061446 is a deficient number, since it is larger than the sum of its proper divisors (11068474).

20061446 is a wasteful number, since it uses less digits than its factorization.

20061446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345918.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20061446 is about 4479.0005581603. Note that the first 3 decimals coincide. The cubic root of 20061446 is about 271.7194609696.

Adding to 20061446 its reverse (64416002), we get a palindrome (84477448).

The spelling of 20061446 in words is "twenty million, sixty-one thousand, four hundred forty-six".