20120277263 has 8 divisors (see below), whose sum is σ = 20351374848. Its totient is φ = 19890110464.

The previous prime is 20120277241. The next prime is 20120277371. The reversal of 20120277263 is 36277202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20120277263 - 2³² = 15825309967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120276263) 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, 189170 + ... + 275727.

It is an arithmetic number, because the mean of its divisors is an integer number (2543921856).

Almost surely, 2^20120277263 is an apocalyptic number.

20120277263 is a deficient number, since it is larger than the sum of its proper divisors (231097585).

20120277263 is a wasteful number, since it uses less digits than its factorization.

20120277263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465393.

The product of its (nonzero) digits is 14112, while the sum is 32.

Adding to 20120277263 its reverse (36277202102), we get a palindrome (56397479365).

The spelling of 20120277263 in words is "twenty billion, one hundred twenty million, two hundred seventy-seven thousand, two hundred sixty-three".