20157152200156 has 24 divisors (see below), whose sum is σ = 35324760159360. Its totient is φ = 10064368824432.

The previous prime is 20157152200153. The next prime is 20157152200217. The reversal of 20157152200156 is 65100225175102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20157152200153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14795235 + ... + 16100101.

It is an arithmetic number, because the mean of its divisors is an integer number (1471865006640).

Almost surely, 2^{20157152200156} is an apocalyptic number.

It is an amenable number.

20157152200156 is a deficient number, since it is larger than the sum of its proper divisors (15167607959204).

20157152200156 is a wasteful number, since it uses less digits than its factorization.

20157152200156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310313 (or 1310311 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 37.

Adding to 20157152200156 its reverse (65100225175102), we get a palindrome (85257377375258).

The spelling of 20157152200156 in words is "twenty trillion, one hundred fifty-seven billion, one hundred fifty-two million, two hundred thousand, one hundred fifty-six".