1920967020 has 144 divisors (see below), whose sum is σ = 7051157568. Its totient is φ = 413245440.

The previous prime is 1920967019. The next prime is 1920967121. The reversal of 1920967020 is 207690291.

It is a super-2 number, since 2×1920967020² = 7380228583855360800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23421 + ... + 66260.

It is an arithmetic number, because the mean of its divisors is an integer number (48966372).

Almost surely, 2^1920967020 is an apocalyptic number.

1920967020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1920967020 is an abundant number, since it is smaller than the sum of its proper divisors (5130190548).

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

1920967020 is a wasteful number, since it uses less digits than its factorization.

1920967020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89720 (or 89715 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1920967020 is about 43828.8377669315. The cubic root of 1920967020 is about 1243.1016309693.

The spelling of 1920967020 in words is "one billion, nine hundred twenty million, nine hundred sixty-seven thousand, twenty".