20772203527147 has 16 divisors (see below), whose sum is σ = 21729944153088. Its totient is φ = 19819043798400.

The previous prime is 20772203527139. The next prime is 20772203527181. The reversal of 20772203527147 is 74172530227702.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20772203527147 - 2³ = 20772203527139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20772203527147.

It is not an unprimeable number, because it can be changed into a prime (20772203528147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29479648 + ... + 30176050.

It is an arithmetic number, because the mean of its divisors is an integer number (1358121509568).

Almost surely, 2^{20772203527147} is an apocalyptic number.

20772203527147 is a deficient number, since it is larger than the sum of its proper divisors (957740625941).

20772203527147 is a wasteful number, since it uses less digits than its factorization.

20772203527147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699690.

The product of its (nonzero) digits is 2304960, while the sum is 49.

The spelling of 20772203527147 in words is "twenty trillion, seven hundred seventy-two billion, two hundred three million, five hundred twenty-seven thousand, one hundred forty-seven".