20204530101 has 36 divisors (see below), whose sum is σ = 33961677984. Its totient is φ = 11541171600.

The previous prime is 20204530069. The next prime is 20204530103. The reversal of 20204530101 is 10103540202.

20204530101 is a `hidden beast` number, since 202 + 0 + 453 + 0 + 10 + 1 = 666.

It is not a de Polignac number, because 20204530101 - 2⁵ = 20204530069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204530103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1479816 + ... + 1493406.

It is an arithmetic number, because the mean of its divisors is an integer number (943379944).

Almost surely, 2^20204530101 is an apocalyptic number.

20204530101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20204530101 is a deficient number, since it is larger than the sum of its proper divisors (13757147883).

20204530101 is a wasteful number, since it uses less digits than its factorization.

20204530101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16982 (or 16972 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The spelling of 20204530101 in words is "twenty billion, two hundred four million, five hundred thirty thousand, one hundred one".