1442102020 has 48 divisors (see below), whose sum is σ = 3202407936. Its totient is φ = 544608000.

The previous prime is 1442102003. The next prime is 1442102029. The reversal of 1442102020 is 202012441.

1442102020 = 365² + 366² + ... + 1635².

It is a junction number, because it is equal to n+sod(n) for n = 1442101985 and 1442102003.

It is not an unprimeable number, because it can be changed into a prime (1442102029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2946 + ... + 53785.

It is an arithmetic number, because the mean of its divisors is an integer number (66716832).

Almost surely, 2^1442102020 is an apocalyptic number.

1442102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442102020 is an abundant number, since it is smaller than the sum of its proper divisors (1760305916).

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

1442102020 is a wasteful number, since it uses less digits than its factorization.

1442102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56812 (or 56810 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1442102020 is about 37975.0183673425. The cubic root of 1442102020 is about 1129.7924332248.

Adding to 1442102020 its reverse (202012441), we get a palindrome (1644114461).

The spelling of 1442102020 in words is "one billion, four hundred forty-two million, one hundred two thousand, twenty".