1404142002020 has 24 divisors (see below), whose sum is σ = 2949028669944. Its totient is φ = 561593854976.

The previous prime is 1404142002019. The next prime is 1404142002037. The reversal of 1404142002020 is 202002414041.

It can be written as a sum of positive squares in 4 ways, for example, as 40048814884 + 1364093187136 = 200122^2 + 1167944^2 .

It is a super-2 number, since 2×1404142002020² (a number of 25 digits) contains 22 as substring.

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 = 1404142001983 and 1404142002001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750989 + ... + 4108308.

It is an arithmetic number, because the mean of its divisors is an integer number (122876194581).

Almost surely, 2^{1404142002020} is an apocalyptic number.

1404142002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1404142002020 is an abundant number, since it is smaller than the sum of its proper divisors (1544886667924).

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

1404142002020 is a wasteful number, since it uses less digits than its factorization.

1404142002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868239 (or 7868237 counting only the distinct ones).

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

Adding to 1404142002020 its reverse (202002414041), we get a palindrome (1606144416061).

The spelling of 1404142002020 in words is "one trillion, four hundred four billion, one hundred forty-two million, two thousand, twenty".