20153033245 has 8 divisors (see below), whose sum is σ = 24190456320. Its totient is φ = 16117882320.

The previous prime is 20153033239. The next prime is 20153033261. The reversal of 20153033245 is 54233035102.

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

It is not a de Polignac number, because 20153033245 - 2²¹ = 20150936093 is a prime.

It is a super-2 number, since 2×20153033245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548461 + ... + 584050.

It is an arithmetic number, because the mean of its divisors is an integer number (3023807040).

Almost surely, 2^20153033245 is an apocalyptic number.

It is an amenable number.

20153033245 is a deficient number, since it is larger than the sum of its proper divisors (4037423075).

20153033245 is a wasteful number, since it uses less digits than its factorization.

20153033245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136075.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 20153033245 its reverse (54233035102), we get a palindrome (74386068347).

The spelling of 20153033245 in words is "twenty billion, one hundred fifty-three million, thirty-three thousand, two hundred forty-five".