20528156312 has 32 divisors (see below), whose sum is σ = 40128572880. Its totient is φ = 9836211840.

The previous prime is 20528156303. The next prime is 20528156317. The reversal of 20528156312 is 21365182502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20528156317) by changing a digit.

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, 544739 + ... + 581202.

Almost surely, 2^20528156312 is an apocalyptic number.

It is an amenable number.

20528156312 is a deficient number, since it is larger than the sum of its proper divisors (19600416568).

20528156312 is a wasteful number, since it uses less digits than its factorization.

20528156312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126043 (or 1126039 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 20528156312 in words is "twenty billion, five hundred twenty-eight million, one hundred fifty-six thousand, three hundred twelve".