14020820712 has 40 divisors (see below), whose sum is σ = 39271282050. Its totient is φ = 4673606688.

The previous prime is 14020820687. The next prime is 14020820729. The reversal of 14020820712 is 21702802041.

It can be written as a sum of positive squares in only one way, i.e., 8077335876 + 5943484836 = 89874^2 + 77094^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10817887 + ... + 10819182.

Almost surely, 2^14020820712 is an apocalyptic number.

14020820712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14020820712 is an abundant number, since it is smaller than the sum of its proper divisors (25250461338).

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

14020820712 is a wasteful number, since it uses less digits than its factorization.

14020820712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21637087 (or 21637074 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The spelling of 14020820712 in words is "fourteen billion, twenty million, eight hundred twenty thousand, seven hundred twelve".