20424111142402 has 48 divisors (see below), whose sum is σ = 34060463551296. Its totient is φ = 9177555332000.

The previous prime is 20424111142319. The next prime is 20424111142433.

20424111142402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15168213 + ... + 16459735.

It is an arithmetic number, because the mean of its divisors is an integer number (709592990652).

Almost surely, 2^{20424111142402} is an apocalyptic number.

20424111142402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20424111142402 is a deficient number, since it is larger than the sum of its proper divisors (13636352408894).

20424111142402 is a wasteful number, since it uses less digits than its factorization.

20424111142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292295 (or 1292284 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

It can be divided in two parts, 2042411 and 1142402, that added together give a palindrome (3184813).

The spelling of 20424111142402 in words is "twenty trillion, four hundred twenty-four billion, one hundred eleven million, one hundred forty-two thousand, four hundred two".