142034200020 has 72 divisors (see below), whose sum is σ = 431992336776. Its totient is φ = 37774225152.

The previous prime is 142034200019. The next prime is 142034200097. The reversal of 142034200020 is 20002430241.

It can be written as a sum of positive squares in 4 ways, for example, as 8310874896 + 133723325124 = 91164^2 + 365682^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142034199966 and 142034200002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990607 + ... + 1124886.

Almost surely, 2^142034200020 is an apocalyptic number.

142034200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142034200020 is an abundant number, since it is smaller than the sum of its proper divisors (289958136756).

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

142034200020 is a wasteful number, since it uses less digits than its factorization.

142034200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115881 (or 2115876 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 142034200020 its reverse (20002430241), we get a palindrome (162036630261).

The spelling of 142034200020 in words is "one hundred forty-two billion, thirty-four million, two hundred thousand, twenty".