20771414037403 has 4 divisors (see below), whose sum is σ = 20780108645920. Its totient is φ = 20762719428888.

The previous prime is 20771414037397. The next prime is 20771414037431. The reversal of 20771414037403 is 30473041417702.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20771414037403 is a prime.

It is a super-2 number, since 2×20771414037403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20771414037403.

It is not an unprimeable number, because it can be changed into a prime (20771414037463) 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, 4347300675 + ... + 4347305452.

It is an arithmetic number, because the mean of its divisors is an integer number (5195027161480).

Almost surely, 2^{20771414037403} is an apocalyptic number.

20771414037403 is a deficient number, since it is larger than the sum of its proper divisors (8694608517).

20771414037403 is an equidigital number, since it uses as much as digits as its factorization.

20771414037403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8694608516.

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 20771414037403 in words is "twenty trillion, seven hundred seventy-one billion, four hundred fourteen million, thirty-seven thousand, four hundred three".