20011242434 has 8 divisors (see below), whose sum is σ = 31596698640. Its totient is φ = 9479009556.

The previous prime is 20011242409. The next prime is 20011242463. The reversal of 20011242434 is 43424211002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263305784 + ... + 263305859.

It is an arithmetic number, because the mean of its divisors is an integer number (3949587330).

Almost surely, 2^20011242434 is an apocalyptic number.

20011242434 is a deficient number, since it is larger than the sum of its proper divisors (11585456206).

20011242434 is a wasteful number, since it uses less digits than its factorization.

20011242434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526611664.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20011242434 its reverse (43424211002), we get a palindrome (63435453436).

The spelling of 20011242434 in words is "twenty billion, eleven million, two hundred forty-two thousand, four hundred thirty-four".