20120434151 has 8 divisors (see below), whose sum is σ = 20318456400. Its totient is φ = 19922656320.

The previous prime is 20120434111. The next prime is 20120434183. The reversal of 20120434151 is 15143402102.

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

It is a cyclic number.

It is not a de Polignac number, because 20120434151 - 2¹⁰ = 20120433127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120434111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106595 + ... + 227163.

It is an arithmetic number, because the mean of its divisors is an integer number (2539807050).

Almost surely, 2^20120434151 is an apocalyptic number.

20120434151 is a deficient number, since it is larger than the sum of its proper divisors (198022249).

20120434151 is a wasteful number, since it uses less digits than its factorization.

20120434151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122209.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20120434151 its reverse (15143402102), we get a palindrome (35263836253).

The spelling of 20120434151 in words is "twenty billion, one hundred twenty million, four hundred thirty-four thousand, one hundred fifty-one".