20124551451404 has 6 divisors (see below), whose sum is σ = 35217965039964. Its totient is φ = 10062275725700.

The previous prime is 20124551451397. The next prime is 20124551451419. The reversal of 20124551451404 is 40415415542102.

It is a super-2 number, since 2×20124551451404² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2515568931422 + ... + 2515568931429.

It is an arithmetic number, because the mean of its divisors is an integer number (5869660839994).

Almost surely, 2^{20124551451404} is an apocalyptic number.

It is an amenable number.

20124551451404 is a deficient number, since it is larger than the sum of its proper divisors (15093413588560).

20124551451404 is a wasteful number, since it uses less digits than its factorization.

20124551451404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031137862855 (or 5031137862853 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 20124551451404 its reverse (40415415542102), we get a palindrome (60539966993506).

The spelling of 20124551451404 in words is "twenty trillion, one hundred twenty-four billion, five hundred fifty-one million, four hundred fifty-one thousand, four hundred four".