20903612467 has 8 divisors (see below), whose sum is σ = 21928998240. Its totient is φ = 19898531520.

The previous prime is 20903612461. The next prime is 20903612479. The reversal of 20903612467 is 76421630902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20903612467 - 2¹¹ = 20903610419 is a prime.

It is a super-2 number, since 2×20903612467² (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 (20903612461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5074098 + ... + 5078215.

It is an arithmetic number, because the mean of its divisors is an integer number (2741124780).

Almost surely, 2^20903612467 is an apocalyptic number.

20903612467 is a deficient number, since it is larger than the sum of its proper divisors (1025385773).

20903612467 is a wasteful number, since it uses less digits than its factorization.

20903612467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152413.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 20903612467 in words is "twenty billion, nine hundred three million, six hundred twelve thousand, four hundred sixty-seven".