1420402022042 has 32 divisors (see below), whose sum is σ = 2251237847040. Its totient is φ = 670776016240.

The previous prime is 1420402021939. The next prime is 1420402022047. The reversal of 1420402022042 is 2402202040241.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1420402021999 and 1420402022017.

It is not an unprimeable number, because it can be changed into a prime (1420402022047) 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, 7044059 + ... + 7242897.

It is an arithmetic number, because the mean of its divisors is an integer number (70351182720).

Almost surely, 2^{1420402022042} is an apocalyptic number.

1420402022042 is a deficient number, since it is larger than the sum of its proper divisors (830835824998).

1420402022042 is a wasteful number, since it uses less digits than its factorization.

1420402022042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200818.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 1420402022042 its reverse (2402202040241), we get a palindrome (3822604062283).

The spelling of 1420402022042 in words is "one trillion, four hundred twenty billion, four hundred two million, twenty-two thousand, forty-two".