20152053101 has 8 divisors (see below), whose sum is σ = 20543017824. Its totient is φ = 19761486160.

The previous prime is 20152053013. The next prime is 20152053109. The reversal of 20152053101 is 10135025102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20152053101 is a prime.

It is a super-3 number, since 3×20152053101³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152053109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3890 + ... + 200796.

It is an arithmetic number, because the mean of its divisors is an integer number (2567877228).

Almost surely, 2^20152053101 is an apocalyptic number.

It is an amenable number.

20152053101 is a deficient number, since it is larger than the sum of its proper divisors (390964723).

20152053101 is a wasteful number, since it uses less digits than its factorization.

20152053101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198891.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 20152053101 its reverse (10135025102), we get a palindrome (30287078203).

The spelling of 20152053101 in words is "twenty billion, one hundred fifty-two million, fifty-three thousand, one hundred one".