20072148552 has 48 divisors (see below), whose sum is σ = 55387778940. Its totient is φ = 6564475008.

The previous prime is 20072148517. The next prime is 20072148581. The reversal of 20072148552 is 25584127002.

It is a happy number.

20072148552 is a `hidden beast` number, since 20 + 0 + 72 + 14 + 8 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19916547876 + 155600676 = 141126^2 + 12474^2 .

It is a super-2 number, since 2×20072148552² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 2626183 + ... + 2633814.

Almost surely, 2^20072148552 is an apocalyptic number.

It is an amenable number.

20072148552 is an abundant number, since it is smaller than the sum of its proper divisors (35315630388).

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

20072148552 is a wasteful number, since it uses less digits than its factorization.

20072148552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260062 (or 5260055 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 20072148552 in words is "twenty billion, seventy-two million, one hundred forty-eight thousand, five hundred fifty-two".