20037016106500 has 48 divisors (see below), whose sum is σ = 43910197911216. Its totient is φ = 7987452096000.

The previous prime is 20037016106489. The next prime is 20037016106531. The reversal of 20037016106500 is 560161073002.

It can be written as a sum of positive squares in 8 ways, for example, as 6644753818564 + 13392262287936 = 2577742^2 + 3659544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68239221 + ... + 68532220.

It is an arithmetic number, because the mean of its divisors is an integer number (914795789817).

Almost surely, 2^{20037016106500} is an apocalyptic number.

20037016106500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20037016106500 is an abundant number, since it is smaller than the sum of its proper divisors (23873181804716).

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

20037016106500 is a wasteful number, since it uses less digits than its factorization.

20037016106500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136771753 (or 136771741 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

Adding to 20037016106500 its reverse (560161073002), we get a palindrome (20597177179502).

The spelling of 20037016106500 in words is "twenty trillion, thirty-seven billion, sixteen million, one hundred six thousand, five hundred".