1400032020 has 48 divisors (see below), whose sum is σ = 3934707840. Its totient is φ = 371949696.

The previous prime is 1400031973. The next prime is 1400032061. The reversal of 1400032020 is 202300041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1400031987 and 1400032005.

It is a congruent number.

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, 27232 + ... + 59511.

It is an arithmetic number, because the mean of its divisors is an integer number (81973080).

Almost surely, 2^1400032020 is an apocalyptic number.

1400032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400032020 is an abundant number, since it is smaller than the sum of its proper divisors (2534675820).

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

1400032020 is a wasteful number, since it uses less digits than its factorization.

1400032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87024 (or 87022 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1400032020 is about 37417.0017505412. The cubic root of 1400032020 is about 1118.6974706878.

Adding to 1400032020 its reverse (202300041), we get a palindrome (1602332061).

The spelling of 1400032020 in words is "one billion, four hundred million, thirty-two thousand, twenty".