20026072502500 has 45 divisors (see below), whose sum is σ = 43793504655901. Its totient is φ = 8010339500000.

The previous prime is 20026072502477. The next prime is 20026072502507. The reversal of 20026072502500 is 520527062002.

The square root of 20026072502500 is 4475050.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 2363149860516 + 17662922641984 = 1537254^2 + 4202728^2 .

It is a super-2 number, since 2×20026072502500² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20026072502507) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 223707750 + ... + 223797250.

Almost surely, 2^{20026072502500} is an apocalyptic number.

20026072502500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

20026072502500 is the 4475050-th square number.

It is an amenable number.

20026072502500 is an abundant number, since it is smaller than the sum of its proper divisors (23767432153401).

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

20026072502500 is an frugal number, since it uses more digits than its factorization.

20026072502500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179026 (or 89508 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 20026072502500 its reverse (520527062002), we get a palindrome (20546599564502).

The spelling of 20026072502500 in words is "twenty trillion, twenty-six billion, seventy-two million, five hundred two thousand, five hundred".