32020520238720 has 768 divisors, whose sum is σ = 126113375606400. Its totient is φ = 7421269082112.

The previous prime is 32020520238689. The next prime is 32020520238757. The reversal of 32020520238720 is 2783202502023.

It is a happy number.

32020520238720 is a `hidden beast` number, since 3 + 20 + 20 + 520 + 23 + 8 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 231834322 + ... + 231972398.

Almost surely, 2^{32020520238720} is an apocalyptic number.

32020520238720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32020520238720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63056687803200).

32020520238720 is an abundant number, since it is smaller than the sum of its proper divisors (94092855367680).

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

32020520238720 is a wasteful number, since it uses less digits than its factorization.

32020520238720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138297 (or 138282 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 32020520238720 in words is "thirty-two trillion, twenty billion, five hundred twenty million, two hundred thirty-eight thousand, seven hundred twenty".