127203272020 has 48 divisors (see below), whose sum is σ = 291447769536. Its totient is φ = 46249920000.

The previous prime is 127203271997. The next prime is 127203272039. The reversal of 127203272020 is 20272302721.

It is a super-2 number, since 2×127203272020² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127203272020.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1968220 + ... + 2031820.

It is an arithmetic number, because the mean of its divisors is an integer number (6071828532).

Almost surely, 2^127203272020 is an apocalyptic number.

127203272020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127203272020 is an abundant number, since it is smaller than the sum of its proper divisors (164244497516).

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

127203272020 is a wasteful number, since it uses less digits than its factorization.

127203272020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72712 (or 72710 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

Adding to 127203272020 its reverse (20272302721), we get a palindrome (147475574741).

The spelling of 127203272020 in words is "one hundred twenty-seven billion, two hundred three million, two hundred seventy-two thousand, twenty".