20524532201 has 16 divisors (see below), whose sum is σ = 20987711760. Its totient is φ = 20065812480.

The previous prime is 20524532183. The next prime is 20524532221. The reversal of 20524532201 is 10223542502.

It can be written as a sum of positive squares in 8 ways, for example, as 168376576 + 20356155625 = 12976^2 + 142675^2 .

It is a cyclic number.

It is not a de Polignac number, because 20524532201 - 2⁶ = 20524532137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20524532221) 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, 9044495 + ... + 9046763.

It is an arithmetic number, because the mean of its divisors is an integer number (1311731985).

Almost surely, 2^20524532201 is an apocalyptic number.

It is an amenable number.

20524532201 is a deficient number, since it is larger than the sum of its proper divisors (463179559).

20524532201 is a wasteful number, since it uses less digits than its factorization.

20524532201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20524532201 in words is "twenty billion, five hundred twenty-four million, five hundred thirty-two thousand, two hundred one".