20196272485 has 16 divisors (see below), whose sum is σ = 24709244400. Its totient is φ = 15841612800.

The previous prime is 20196272479. The next prime is 20196272557. The reversal of 20196272485 is 58427269102.

It can be written as a sum of positive squares in 8 ways, for example, as 1769295969 + 18426976516 = 42063^2 + 135746^2 .

It is not a de Polignac number, because 20196272485 - 2¹³ = 20196264293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385885 + ... + 435085.

It is an arithmetic number, because the mean of its divisors is an integer number (1544327775).

Almost surely, 2^20196272485 is an apocalyptic number.

It is an amenable number.

20196272485 is a deficient number, since it is larger than the sum of its proper divisors (4512971915).

20196272485 is a wasteful number, since it uses less digits than its factorization.

20196272485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50808.

The product of its (nonzero) digits is 483840, while the sum is 46.

It can be divided in two parts, 20196 and 272485, that added together give a square (292681 = 541²).

The spelling of 20196272485 in words is "twenty billion, one hundred ninety-six million, two hundred seventy-two thousand, four hundred eighty-five".