20672146652312 has 24 divisors (see below), whose sum is σ = 39602508234060. Its totient is φ = 10116156863760.

The previous prime is 20672146652281. The next prime is 20672146652321. The reversal of 20672146652312 is 21325664127602.

It is a super-2 number, since 2×20672146652312² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 584866514 + ... + 584901857.

Almost surely, 2^{20672146652312} is an apocalyptic number.

It is an amenable number.

20672146652312 is a deficient number, since it is larger than the sum of its proper divisors (18930361581748).

20672146652312 is a wasteful number, since it uses less digits than its factorization.

20672146652312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169768471 (or 1169768420 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 20672146652312 in words is "twenty trillion, six hundred seventy-two billion, one hundred forty-six million, six hundred fifty-two thousand, three hundred twelve".