20125070 has 16 divisors (see below), whose sum is σ = 41400288. Its totient is φ = 6900000.

The previous prime is 20125057. The next prime is 20125073. The reversal of 20125070 is 7052102.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143681 + ... + 143820.

It is an arithmetic number, because the mean of its divisors is an integer number (2587518).

Almost surely, 2^20125070 is an apocalyptic number.

20125070 is an abundant number, since it is smaller than the sum of its proper divisors (21275218).

20125070 is a wasteful number, since it uses less digits than its factorization.

20125070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287515.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 20125070 is about 4486.0974131198. The cubic root of 20125070 is about 272.0064066398.

Adding to 20125070 its reverse (7052102), we get a palindrome (27177172).

The spelling of 20125070 in words is "twenty million, one hundred twenty-five thousand, seventy".