20277360452 has 6 divisors (see below), whose sum is σ = 35485380798. Its totient is φ = 10138680224.

The previous prime is 20277360451. The next prime is 20277360461. The reversal of 20277360452 is 25406377202.

It can be written as a sum of positive squares in only one way, i.e., 12842782276 + 7434578176 = 113326^2 + 86224^2 .

It is a super-2 number, since 2×20277360452² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20277360451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2534670053 + ... + 2534670060.

It is an arithmetic number, because the mean of its divisors is an integer number (5914230133).

Almost surely, 2^20277360452 is an apocalyptic number.

It is an amenable number.

20277360452 is a deficient number, since it is larger than the sum of its proper divisors (15208020346).

20277360452 is a wasteful number, since it uses less digits than its factorization.

20277360452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5069340117 (or 5069340115 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 20277360452 in words is "twenty billion, two hundred seventy-seven million, three hundred sixty thousand, four hundred fifty-two".