20277230308 has 12 divisors (see below), whose sum is σ = 35799181740. Its totient is φ = 10048892672.

The previous prime is 20277230269. The next prime is 20277230317. The reversal of 20277230308 is 80303277202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 247055524 + 20030174784 = 15718^2 + 141528^2 .

It is a super-2 number, since 2×20277230308² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22430113 + ... + 22431016.

It is an arithmetic number, because the mean of its divisors is an integer number (2983265145).

Almost surely, 2^20277230308 is an apocalyptic number.

It is an amenable number.

20277230308 is a deficient number, since it is larger than the sum of its proper divisors (15521951432).

20277230308 is a wasteful number, since it uses less digits than its factorization.

20277230308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44861246 (or 44861244 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 20277230308 in words is "twenty billion, two hundred seventy-seven million, two hundred thirty thousand, three hundred eight".