20063770 has 8 divisors (see below), whose sum is σ = 36114804. Its totient is φ = 8025504.

The previous prime is 20063767. The next prime is 20063803. The reversal of 20063770 is 7736002.

It can be written as a sum of positive squares in 2 ways, for example, as 19971961 + 91809 = 4469^2 + 303^2 .

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

It is a super-2 number, since 2×20063770² = 805109733225800, which contains 22 as substring.

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, 1003179 + ... + 1003198.

Almost surely, 2^20063770 is an apocalyptic number.

20063770 is a deficient number, since it is larger than the sum of its proper divisors (16051034).

20063770 is a wasteful number, since it uses less digits than its factorization.

20063770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006384.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 20063770 is about 4479.2599835241. The cubic root of 20063770 is about 271.7299529292.

Adding to 20063770 its reverse (7736002), we get a palindrome (27799772).

It can be divided in two parts, 2006 and 3770, that added together give a square (5776 = 76²).

The spelling of 20063770 in words is "twenty million, sixty-three thousand, seven hundred seventy".