20770101 has 20 divisors (see below), whose sum is σ = 33849024. Its totient is φ = 12587400.

The previous prime is 20770049. The next prime is 20770109. The reversal of 20770101 is 10107702.

It is not a de Polignac number, because 20770101 - 2⁹ = 20769589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20770109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10765 + ... + 12546.

Almost surely, 2^20770101 is an apocalyptic number.

It is an amenable number.

20770101 is a deficient number, since it is larger than the sum of its proper divisors (13078923).

20770101 is a wasteful number, since it uses less digits than its factorization.

20770101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334 (or 23325 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 20770101 is about 4557.4226268802. The cubic root of 20770101 is about 274.8819371994.

Adding to 20770101 its reverse (10107702), we get a palindrome (30877803).

The spelling of 20770101 in words is "twenty million, seven hundred seventy thousand, one hundred one".