20250157 has 8 divisors (see below), whose sum is σ = 20738880. Its totient is φ = 19766400.

The previous prime is 20250151. The next prime is 20250163. The reversal of 20250157 is 75105202.

It is an interprime number because it is at equal distance from previous prime (20250151) and next prime (20250163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20250157 - 2¹⁹ = 19725869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250151) 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, 7773 + ... + 10045.

It is an arithmetic number, because the mean of its divisors is an integer number (2592360).

Almost surely, 2^20250157 is an apocalyptic number.

It is an amenable number.

20250157 is a deficient number, since it is larger than the sum of its proper divisors (488723).

20250157 is a wasteful number, since it uses less digits than its factorization.

20250157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 20250157 is about 4500.0174444106. The cubic root of 20250157 is about 272.5687933377.

Adding to 20250157 its reverse (75105202), we get a palindrome (95355359).

The spelling of 20250157 in words is "twenty million, two hundred fifty thousand, one hundred fifty-seven".