20771102 has 12 divisors (see below), whose sum is σ = 34246968. Its totient is φ = 9441300.

The previous prime is 20771081. The next prime is 20771111. The reversal of 20771102 is 20117702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42674 + ... + 43157.

It is an arithmetic number, because the mean of its divisors is an integer number (2853914).

Almost surely, 2^20771102 is an apocalyptic number.

20771102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20771102 is a deficient number, since it is larger than the sum of its proper divisors (13475866).

20771102 is a wasteful number, since it uses less digits than its factorization.

20771102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85855 (or 85844 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 20771102 is about 4557.5324464012. The cubic root of 20771102 is about 274.8863530405.

Adding to 20771102 its reverse (20117702), we get a palindrome (40888804).

The spelling of 20771102 in words is "twenty million, seven hundred seventy-one thousand, one hundred two".