1420204424771 has 12 divisors (see below), whose sum is σ = 1561165132632. Its totient is φ = 1291000656000.

The previous prime is 1420204424707. The next prime is 1420204424777. The reversal of 1420204424771 is 1774244020241.

It is a happy number.

It is not a de Polignac number, because 1420204424771 - 2⁶ = 1420204424707 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420204424777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1262876 + ... + 2106006.

It is an arithmetic number, because the mean of its divisors is an integer number (130097094386).

Almost surely, 2^{1420204424771} is an apocalyptic number.

1420204424771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1420204424771 is a deficient number, since it is larger than the sum of its proper divisors (140960707861).

1420204424771 is a wasteful number, since it uses less digits than its factorization.

1420204424771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857074 (or 857063 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The spelling of 1420204424771 in words is "one trillion, four hundred twenty billion, two hundred four million, four hundred twenty-four thousand, seven hundred seventy-one".