20144132124402 has 32 divisors (see below), whose sum is σ = 47331667091520. Its totient is φ = 5634722272320.

The previous prime is 20144132124379. The next prime is 20144132124443. The reversal of 20144132124402 is 20442123144102.

It is a self number, because there is not a number n which added to its sum of digits gives 20144132124402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11739003877 + ... + 11739005592.

It is an arithmetic number, because the mean of its divisors is an integer number (1479114596610).

Almost surely, 2^{20144132124402} is an apocalyptic number.

20144132124402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20144132124402 is an abundant number, since it is smaller than the sum of its proper divisors (27187534967118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20144132124402 is a wasteful number, since it uses less digits than its factorization.

20144132124402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23478009498.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 20144132124402 its reverse (20442123144102), we get a palindrome (40586255268504).

The spelling of 20144132124402 in words is "twenty trillion, one hundred forty-four billion, one hundred thirty-two million, one hundred twenty-four thousand, four hundred two".