20434224051 has 12 divisors (see below), whose sum is σ = 30609290712. Its totient is φ = 13622815872.

The previous prime is 20434224049. The next prime is 20434224053. The reversal of 20434224051 is 15042243402.

20434224051 is a `hidden beast` number, since 2 + 0 + 434 + 224 + 0 + 5 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (20434224049) and next prime (20434224053).

It is not a de Polignac number, because 20434224051 - 2¹ = 20434224049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20434224053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42045486 + ... + 42045971.

It is an arithmetic number, because the mean of its divisors is an integer number (2550774226).

Almost surely, 2^20434224051 is an apocalyptic number.

20434224051 is a deficient number, since it is larger than the sum of its proper divisors (10175066661).

20434224051 is an frugal number, since it uses more digits than its factorization.

20434224051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84091472 (or 84091460 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20434224051 its reverse (15042243402), we get a palindrome (35476467453).

The spelling of 20434224051 in words is "twenty billion, four hundred thirty-four million, two hundred twenty-four thousand, fifty-one".