20036470272 has 320 divisors, whose sum is σ = 67975649280. Its totient is φ = 5101092864.

The previous prime is 20036470271. The next prime is 20036470291. The reversal of 20036470272 is 27207463002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036470271) 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, 4051033 + ... + 4055975.

It is an arithmetic number, because the mean of its divisors is an integer number (212423904).

Almost surely, 2^20036470272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20036470272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33987824640).

20036470272 is an abundant number, since it is smaller than the sum of its proper divisors (47939179008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20036470272 is a wasteful number, since it uses less digits than its factorization.

20036470272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The spelling of 20036470272 in words is "twenty billion, thirty-six million, four hundred seventy thousand, two hundred seventy-two".