20761070 has 32 divisors (see below), whose sum is σ = 41877216. Its totient is φ = 7344000.

The previous prime is 20761067. The next prime is 20761087. The reversal of 20761070 is 7016702.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (1308663).

Almost surely, 2^20761070 is an apocalyptic number.

20761070 is an abundant number, since it is smaller than the sum of its proper divisors (21116146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20761070 is a wasteful number, since it uses less digits than its factorization.

20761070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 20761070 is about 4556.4317179126. The cubic root of 20761070 is about 274.8420911621.

Adding to 20761070 its reverse (7016702), we get a palindrome (27777772).

The spelling of 20761070 in words is "twenty million, seven hundred sixty-one thousand, seventy".