20272349153 has 8 divisors (see below), whose sum is σ = 23169847680. Its totient is φ = 17375212800.

The previous prime is 20272349137. The next prime is 20272349177. The reversal of 20272349153 is 35194327202.

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

It is a cyclic number.

It is not a de Polignac number, because 20272349153 - 2⁴ = 20272349137 is a prime.

It is a super-3 number, since 3×20272349153³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20272349453) 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, 42428 + ... + 205778.

It is an arithmetic number, because the mean of its divisors is an integer number (2896230960).

Almost surely, 2^20272349153 is an apocalyptic number.

It is an amenable number.

20272349153 is a deficient number, since it is larger than the sum of its proper divisors (2897498527).

20272349153 is a wasteful number, since it uses less digits than its factorization.

20272349153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181087.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 20272349153 in words is "twenty billion, two hundred seventy-two million, three hundred forty-nine thousand, one hundred fifty-three".