20431015034 has 8 divisors (see below), whose sum is σ = 30674719488. Its totient is φ = 10206108540.

The previous prime is 20431015013. The next prime is 20431015049. The reversal of 20431015034 is 43051013402.

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

It is a super-3 number, since 3×20431015034³ (a number of 32 digits) contains 333 as substring.

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, 4696772 + ... + 4701119.

It is an arithmetic number, because the mean of its divisors is an integer number (3834339936).

Almost surely, 2^20431015034 is an apocalyptic number.

20431015034 is a deficient number, since it is larger than the sum of its proper divisors (10243704454).

20431015034 is a wasteful number, since it uses less digits than its factorization.

20431015034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398980.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20431015034 its reverse (43051013402), we get a palindrome (63482028436).

The spelling of 20431015034 in words is "twenty billion, four hundred thirty-one million, fifteen thousand, thirty-four".