20713125270 has 32 divisors (see below), whose sum is σ = 50176101888. Its totient is φ = 5471877728.

The previous prime is 20713125269. The next prime is 20713125283. The reversal of 20713125270 is 7252131702.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3223134 + ... + 3229553.

It is an arithmetic number, because the mean of its divisors is an integer number (1568003184).

Almost surely, 2^20713125270 is an apocalyptic number.

20713125270 is an abundant number, since it is smaller than the sum of its proper divisors (29462976618).

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

20713125270 is a wasteful number, since it uses less digits than its factorization.

20713125270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6452804.

The product of its (nonzero) digits is 5880, while the sum is 30.

Adding to 20713125270 its reverse (7252131702), we get a palindrome (27965256972).

The spelling of 20713125270 in words is "twenty billion, seven hundred thirteen million, one hundred twenty-five thousand, two hundred seventy".