20770130 has 16 divisors (see below), whose sum is σ = 37439064. Its totient is φ = 8296320.

The previous prime is 20770121. The next prime is 20770133. The reversal of 20770130 is 3107702.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 11363641 = 3067^2 + 3371^2 .

It is not an unprimeable number, because it can be changed into a prime (20770133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11060 + ... + 12800.

Almost surely, 2^20770130 is an apocalyptic number.

20770130 is a deficient number, since it is larger than the sum of its proper divisors (16668934).

20770130 is a wasteful number, since it uses less digits than its factorization.

20770130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 20770130 is about 4557.4258085020. The cubic root of 20770130 is about 274.8820651329.

Adding to 20770130 its reverse (3107702), we get a palindrome (23877832).

The spelling of 20770130 in words is "twenty million, seven hundred seventy thousand, one hundred thirty".