1406020020 has 96 divisors (see below), whose sum is σ = 4265509248. Its totient is φ = 344666112.

The previous prime is 1406020019. The next prime is 1406020051. The reversal of 1406020020 is 200206041.

1406020020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1406020020³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27832 + ... + 59888.

It is an arithmetic number, because the mean of its divisors is an integer number (44432388).

Almost surely, 2^1406020020 is an apocalyptic number.

1406020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406020020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2132754624).

1406020020 is an abundant number, since it is smaller than the sum of its proper divisors (2859489228).

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

1406020020 is a wasteful number, since it uses less digits than its factorization.

1406020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32129 (or 32127 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1406020020 is about 37496.9334746190. The cubic root of 1406020020 is about 1120.2901087340.

Adding to 1406020020 its reverse (200206041), we get a palindrome (1606226061).

The spelling of 1406020020 in words is "one billion, four hundred six million, twenty thousand, twenty".