20153051135 has 32 divisors (see below), whose sum is σ = 28185518592. Its totient is φ = 13548263040.

The previous prime is 20153051117. The next prime is 20153051167. The reversal of 20153051135 is 53115035102.

It is a happy number.

It is not a de Polignac number, because 20153051135 - 2¹⁰ = 20153050111 is a prime.

It is a super-2 number, since 2×20153051135² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354077 + ... + 407033.

It is an arithmetic number, because the mean of its divisors is an integer number (880797456).

Almost surely, 2^20153051135 is an apocalyptic number.

20153051135 is a deficient number, since it is larger than the sum of its proper divisors (8032467457).

20153051135 is a wasteful number, since it uses less digits than its factorization.

20153051135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53183.

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 20153051135 its reverse (53115035102), we get a palindrome (73268086237).

The spelling of 20153051135 in words is "twenty billion, one hundred fifty-three million, fifty-one thousand, one hundred thirty-five".