20035135157 has 8 divisors (see below), whose sum is σ = 20182948800. Its totient is φ = 19887374304.

The previous prime is 20035135151. The next prime is 20035135163. The reversal of 20035135157 is 75153153002.

It is an interprime number because it is at equal distance from previous prime (20035135151) and next prime (20035135163).

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 20035135157 - 2¹⁴ = 20035118773 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 (20035135151) 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, 1077344 + ... + 1095782.

It is an arithmetic number, because the mean of its divisors is an integer number (2522868600).

Almost surely, 2^20035135157 is an apocalyptic number.

It is an amenable number.

20035135157 is a deficient number, since it is larger than the sum of its proper divisors (147813643).

20035135157 is a wasteful number, since it uses less digits than its factorization.

20035135157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26395.

The product of its (nonzero) digits is 15750, while the sum is 32.

Adding to 20035135157 its reverse (75153153002), we get a palindrome (95188288159).

The spelling of 20035135157 in words is "twenty billion, thirty-five million, one hundred thirty-five thousand, one hundred fifty-seven".