502172020070 has 32 divisors (see below), whose sum is σ = 1077954352128. Its totient is φ = 164687469408.

The previous prime is 502172019997. The next prime is 502172020073. The reversal of 502172020070 is 70020271205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502172020073) 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 15 ways as a sum of consecutive naturals, for example, 155952434 + ... + 155955653.

It is an arithmetic number, because the mean of its divisors is an integer number (33686073504).

Almost surely, 2^502172020070 is an apocalyptic number.

502172020070 is an abundant number, since it is smaller than the sum of its proper divisors (575782332058).

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

502172020070 is a wasteful number, since it uses less digits than its factorization.

502172020070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311908124.

The product of its (nonzero) digits is 1960, while the sum is 26.

Adding to 502172020070 its reverse (70020271205), we get a palindrome (572192291275).

The spelling of 502172020070 in words is "five hundred two billion, one hundred seventy-two million, twenty thousand, seventy".