20772913447332 has 144 divisors (see below), whose sum is σ = 58654626680832. Its totient is φ = 6409594398240.

The previous prime is 20772913447291. The next prime is 20772913447333. The reversal of 20772913447332 is 23374431927702.

20772913447332 is a `hidden beast` number, since 2 + 0 + 7 + 7 + 2 + 9 + 134 + 473 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (20772913447333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14293858 + ... + 15679929.

Almost surely, 2^{20772913447332} is an apocalyptic number.

It is an amenable number.

20772913447332 is an abundant number, since it is smaller than the sum of its proper divisors (37881713233500).

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

20772913447332 is a wasteful number, since it uses less digits than its factorization.

20772913447332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29973860 (or 29973846 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 54.

The spelling of 20772913447332 in words is "twenty trillion, seven hundred seventy-two billion, nine hundred thirteen million, four hundred forty-seven thousand, three hundred thirty-two".