1420920680 has 32 divisors (see below), whose sum is σ = 3336076800. Its totient is φ = 543656256.

The previous prime is 1420920679. The next prime is 1420920701. The reversal of 1420920680 is 860290241.

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, 771320 + ... + 773159.

It is an arithmetic number, because the mean of its divisors is an integer number (104252400).

Almost surely, 2^1420920680 is an apocalyptic number.

1420920680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420920680 is an abundant number, since it is smaller than the sum of its proper divisors (1915156120).

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

1420920680 is a wasteful number, since it uses less digits than its factorization.

1420920680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544513 (or 1544509 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1420920680 is about 37695.1015385288. The cubic root of 1420920680 is about 1124.2337313604.

The spelling of 1420920680 in words is "one billion, four hundred twenty million, nine hundred twenty thousand, six hundred eighty".