20652341121 has 32 divisors (see below), whose sum is σ = 31170263040. Its totient is φ = 13512042000.

The previous prime is 20652341113. The next prime is 20652341123. The reversal of 20652341121 is 12114325602.

20652341121 is a `hidden beast` number, since 2 + 0 + 652 + 3 + 4 + 1 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 20652341121 - 2³ = 20652341113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20652341123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307876 + ... + 368906.

It is an arithmetic number, because the mean of its divisors is an integer number (974070720).

Almost surely, 2^20652341121 is an apocalyptic number.

It is an amenable number.

20652341121 is a deficient number, since it is larger than the sum of its proper divisors (10517921919).

20652341121 is a wasteful number, since it uses less digits than its factorization.

20652341121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61274 (or 61268 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20652341121 its reverse (12114325602), we get a palindrome (32766666723).

The spelling of 20652341121 in words is "twenty billion, six hundred fifty-two million, three hundred forty-one thousand, one hundred twenty-one".