20153777296 has 15 divisors (see below), whose sum is σ = 39049043763. Its totient is φ = 10076604720.

The previous prime is 20153777239. The next prime is 20153777311. The reversal of 20153777296 is 69277735102.

The square root of 20153777296 is 141964.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 550111 + ... + 585601.

Almost surely, 2^20153777296 is an apocalyptic number.

20153777296 is the 141964-th square number.

It is an amenable number.

20153777296 is a deficient number, since it is larger than the sum of its proper divisors (18895266467).

20153777296 is an frugal number, since it uses more digits than its factorization.

20153777296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70990 (or 35493 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

Multiplying 20153777296 by its sum of digits (49), we get a square (987535087504 = 993748²).

It can be divided in two parts, 20153 and 777296, that added together give a square (797449 = 893²).

The spelling of 20153777296 in words is "twenty billion, one hundred fifty-three million, seven hundred seventy-seven thousand, two hundred ninety-six".