20402703572271 has 16 divisors (see below), whose sum is σ = 28804197036384. Its totient is φ = 12801527368704.

The previous prime is 20402703572191. The next prime is 20402703572291. The reversal of 20402703572271 is 17227530720402.

It is not a de Polignac number, because 20402703572271 - 2¹⁴ = 20402703555887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402703572291) 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, 1318485 + ... + 6522561.

It is an arithmetic number, because the mean of its divisors is an integer number (1800262314774).

Almost surely, 2^{20402703572271} is an apocalyptic number.

20402703572271 is a deficient number, since it is larger than the sum of its proper divisors (8401493464113).

20402703572271 is a wasteful number, since it uses less digits than its factorization.

20402703572271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280970.

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 20402703572271 in words is "twenty trillion, four hundred two billion, seven hundred three million, five hundred seventy-two thousand, two hundred seventy-one".