20212541451 has 12 divisors (see below), whose sum is σ = 29197710360. Its totient is φ = 13474188960.

The previous prime is 20212541407. The next prime is 20212541467. The reversal of 20212541451 is 15414521202.

It is a happy number.

20212541451 is a `hidden beast` number, since 202 + 1 + 2 + 5 + 4 + 1 + 451 = 666.

It is not a de Polignac number, because 20212541451 - 2³⁰ = 19138799627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212541651) 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, 106060 + ... + 227318.

It is an arithmetic number, because the mean of its divisors is an integer number (2433142530).

Almost surely, 2^20212541451 is an apocalyptic number.

20212541451 is a deficient number, since it is larger than the sum of its proper divisors (8985168909).

20212541451 is a wasteful number, since it uses less digits than its factorization.

20212541451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139786 (or 139783 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 20212541451 in words is "twenty billion, two hundred twelve million, five hundred forty-one thousand, four hundred fifty-one".