20510414002142 has 16 divisors (see below), whose sum is σ = 31161184911360. Its totient is φ = 10123403412408.

The previous prime is 20510414002109. The next prime is 20510414002189. The reversal of 20510414002142 is 24120041401502.

It is a super-2 number, since 2×20510414002142² (a number of 27 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 7 ways as a sum of consecutive naturals, for example, 11955518 + ... + 13563009.

It is an arithmetic number, because the mean of its divisors is an integer number (1947574056960).

Almost surely, 2^{20510414002142} is an apocalyptic number.

20510414002142 is a deficient number, since it is larger than the sum of its proper divisors (10650770909218).

20510414002142 is a wasteful number, since it uses less digits than its factorization.

20510414002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25523695.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 20510414002142 its reverse (24120041401502), we get a palindrome (44630455403644).

The spelling of 20510414002142 in words is "twenty trillion, five hundred ten billion, four hundred fourteen million, two thousand, one hundred forty-two".