20770150 has 24 divisors (see below), whose sum is σ = 40314384. Its totient is φ = 7946400.

The previous prime is 20770147. The next prime is 20770163. The reversal of 20770150 is 5107702.

20770150 = 125² + 126² + ... + 400².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7881 + ... + 10180.

It is an arithmetic number, because the mean of its divisors is an integer number (1679766).

Almost surely, 2^20770150 is an apocalyptic number.

20770150 is a deficient number, since it is larger than the sum of its proper divisors (19544234).

20770150 is a wasteful number, since it uses less digits than its factorization.

20770150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18096 (or 18091 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 20770150 is about 4557.4280027226. The cubic root of 20770150 is about 274.8821533628.

Adding to 20770150 its reverse (5107702), we get a palindrome (25877852).

The spelling of 20770150 in words is "twenty million, seven hundred seventy thousand, one hundred fifty".