20300534451 has 6 divisors (see below), whose sum is σ = 29322994220. Its totient is φ = 13533689628.

The previous prime is 20300534399. The next prime is 20300534461. The reversal of 20300534451 is 15443500302.

20300534451 is a `hidden beast` number, since 203 + 0 + 0 + 5 + 3 + 4 + 451 = 666.

It is not a de Polignac number, because 20300534451 - 2¹⁷ = 20300403379 is a prime.

It is a super-2 number, since 2×20300534451² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300534461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1127807461 + ... + 1127807478.

Almost surely, 2^20300534451 is an apocalyptic number.

20300534451 is a deficient number, since it is larger than the sum of its proper divisors (9022459769).

20300534451 is a wasteful number, since it uses less digits than its factorization.

20300534451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255614945 (or 2255614942 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 20300534451 in words is "twenty billion, three hundred million, five hundred thirty-four thousand, four hundred fifty-one".