140404122020 has 48 divisors (see below), whose sum is σ = 301755558720. Its totient is φ = 54846481536.

The previous prime is 140404122013. The next prime is 140404122049. The reversal of 140404122020 is 20221404041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 140404121983 and 140404122001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7824779 + ... + 7842701.

It is an arithmetic number, because the mean of its divisors is an integer number (6286574140).

Almost surely, 2^140404122020 is an apocalyptic number.

140404122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140404122020 is an abundant number, since it is smaller than the sum of its proper divisors (161351436700).

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

140404122020 is a wasteful number, since it uses less digits than its factorization.

140404122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27084 (or 27082 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 140404122020 its reverse (20221404041), we get a palindrome (160625526061).

The spelling of 140404122020 in words is "one hundred forty billion, four hundred four million, one hundred twenty-two thousand, twenty".