1420806688020 has 72 divisors (see below), whose sum is σ = 4311569152800. Its totient is φ = 378724520640.

The previous prime is 1420806688003. The next prime is 1420806688031. The reversal of 1420806688020 is 208866080241.

It is a super-2 number, since 2×1420806688020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1202970 + ... + 2070929.

It is an arithmetic number, because the mean of its divisors is an integer number (59882904900).

Almost surely, 2^{1420806688020} is an apocalyptic number.

1420806688020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420806688020 is an abundant number, since it is smaller than the sum of its proper divisors (2890762464780).

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

1420806688020 is a wasteful number, since it uses less digits than its factorization.

1420806688020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276325 (or 3276320 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 1420806688020 in words is "one trillion, four hundred twenty billion, eight hundred six million, six hundred eighty-eight thousand, twenty".