1416421020 has 96 divisors (see below), whose sum is σ = 4590028800. Its totient is φ = 319647744.

The previous prime is 1416421007. The next prime is 1416421033. The reversal of 1416421020 is 201246141.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1416421007) and next prime (1416421033).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11836 + ... + 54524.

It is an arithmetic number, because the mean of its divisors is an integer number (47812800).

Almost surely, 2^1416421020 is an apocalyptic number.

1416421020 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 1416421020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2295014400).

1416421020 is an abundant number, since it is smaller than the sum of its proper divisors (3173607780).

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

1416421020 is a wasteful number, since it uses less digits than its factorization.

1416421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42787 (or 42785 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1416421020 is about 37635.3692688141. The cubic root of 1416421020 is about 1123.0457647985.

Adding to 1416421020 its reverse (201246141), we get a palindrome (1617667161).

The spelling of 1416421020 in words is "one billion, four hundred sixteen million, four hundred twenty-one thousand, twenty".