142020023404 has 24 divisors (see below), whose sum is σ = 284197860128. Its totient is φ = 60831907200.

The previous prime is 142020023371. The next prime is 142020023503. The reversal of 142020023404 is 404320020241.

It is a happy number.

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, 1357719 + ... + 1458574.

Almost surely, 2^142020023404 is an apocalyptic number.

142020023404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142020023404 is an abundant number, since it is smaller than the sum of its proper divisors (142177836724).

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

142020023404 is a wasteful number, since it uses less digits than its factorization.

142020023404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818105 (or 2818103 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 142020023404 its reverse (404320020241), we get a palindrome (546340043645).

The spelling of 142020023404 in words is "one hundred forty-two billion, twenty million, twenty-three thousand, four hundred four".