20367453476 has 12 divisors (see below), whose sum is σ = 36131304972. Its totient is φ = 10044223488.

The previous prime is 20367453473. The next prime is 20367453497. The reversal of 20367453476 is 67435476302.

It can be written as a sum of positive squares in 2 ways, for example, as 3784710400 + 16582743076 = 61520^2 + 128774^2 .

It is a super-2 number, since 2×20367453476² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20367453476.

It is not an unprimeable number, because it can be changed into a prime (20367453473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34875485 + ... + 34876068.

It is an arithmetic number, because the mean of its divisors is an integer number (3010942081).

Almost surely, 2^20367453476 is an apocalyptic number.

It is an amenable number.

20367453476 is a deficient number, since it is larger than the sum of its proper divisors (15763851496).

20367453476 is a wasteful number, since it uses less digits than its factorization.

20367453476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69751630 (or 69751628 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 20367453476 in words is "twenty billion, three hundred sixty-seven million, four hundred fifty-three thousand, four hundred seventy-six".