20297317751300 has 18 divisors (see below), whose sum is σ = 44045179520538. Its totient is φ = 8118927100480.

The previous prime is 20297317751287. The next prime is 20297317751311. The reversal of 20297317751300 is 315771379202.

It can be written as a sum of positive squares in 3 ways, for example, as 895037092096 + 19402280659204 = 946064^2 + 4404802^2 .

It is a super-2 number, since 2×20297317751300² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101486588657 + ... + 101486588856.

Almost surely, 2^{20297317751300} is an apocalyptic number.

20297317751300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20297317751300 is an abundant number, since it is smaller than the sum of its proper divisors (23747861769238).

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

20297317751300 is a wasteful number, since it uses less digits than its factorization.

20297317751300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202973177527 (or 202973177520 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 47.

The spelling of 20297317751300 in words is "twenty trillion, two hundred ninety-seven billion, three hundred seventeen million, seven hundred fifty-one thousand, three hundred".