20102141402 has 16 divisors (see below), whose sum is σ = 36487920960. Its totient is φ = 8108426688.

The previous prime is 20102141357. The next prime is 20102141413. The reversal of 20102141402 is 20414120102.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42231152 + ... + 42231627.

It is an arithmetic number, because the mean of its divisors is an integer number (2280495060).

Almost surely, 2^20102141402 is an apocalyptic number.

20102141402 is a deficient number, since it is larger than the sum of its proper divisors (16385779558).

20102141402 is a wasteful number, since it uses less digits than its factorization.

20102141402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84462805.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20102141402 its reverse (20414120102), we get a palindrome (40516261504).

It can be divided in two parts, 2010 and 2141402, that added together give a palindrome (2143412).

The spelling of 20102141402 in words is "twenty billion, one hundred two million, one hundred forty-one thousand, four hundred two".