20120671000 has 64 divisors (see below), whose sum is σ = 47107176480. Its totient is φ = 8044028800.

The previous prime is 20120670961. The next prime is 20120671007. The reversal of 20120671000 is 17602102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120671007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472939 + ... + 2481061.

Almost surely, 2^20120671000 is an apocalyptic number.

20120671000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120671000 is an abundant number, since it is smaller than the sum of its proper divisors (26986505480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20120671000 is a wasteful number, since it uses less digits than its factorization.

20120671000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621 (or 10607 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The spelling of 20120671000 in words is "twenty billion, one hundred twenty million, six hundred seventy-one thousand".