20770126 has 16 divisors (see below), whose sum is σ = 33629904. Its totient is φ = 9563904.

The previous prime is 20770121. The next prime is 20770133. The reversal of 20770126 is 62107702.

It is a self number, because there is not a number n which added to its sum of digits gives 20770126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20770121) 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, 16905 + ... + 18091.

It is an arithmetic number, because the mean of its divisors is an integer number (2101869).

Almost surely, 2^20770126 is an apocalyptic number.

20770126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20770126 is a deficient number, since it is larger than the sum of its proper divisors (12859778).

20770126 is a wasteful number, since it uses less digits than its factorization.

20770126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 20770126 is about 4557.4253696577. The cubic root of 20770126 is about 274.8820474869.

Adding to 20770126 its reverse (62107702), we get a palindrome (82877828).

The spelling of 20770126 in words is "twenty million, seven hundred seventy thousand, one hundred twenty-six".