20621277114 has 16 divisors (see below), whose sum is σ = 41607533952. Its totient is φ = 6812929088.

The previous prime is 20621277113. The next prime is 20621277137. The reversal of 20621277114 is 41177212602.

It is not an unprimeable number, because it can be changed into a prime (20621277113) 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, 15206754 + ... + 15208109.

It is an arithmetic number, because the mean of its divisors is an integer number (2600470872).

Almost surely, 2^20621277114 is an apocalyptic number.

20621277114 is an abundant number, since it is smaller than the sum of its proper divisors (20986256838).

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

20621277114 is a wasteful number, since it uses less digits than its factorization.

20621277114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30414981.

The product of its (nonzero) digits is 9408, while the sum is 33.

Adding to 20621277114 its reverse (41177212602), we get a palindrome (61798489716).

The spelling of 20621277114 in words is "twenty billion, six hundred twenty-one million, two hundred seventy-seven thousand, one hundred fourteen".