1973694020 has 24 divisors (see below), whose sum is σ = 4160528064. Its totient is φ = 786473696.

The previous prime is 1973694011. The next prime is 1973694029. The reversal of 1973694020 is 204963791.

It is an interprime number because it is at equal distance from previous prime (1973694011) and next prime (1973694029).

It is not an unprimeable number, because it can be changed into a prime (1973694029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182354 + ... + 192873.

It is an arithmetic number, because the mean of its divisors is an integer number (173355336).

Almost surely, 2^1973694020 is an apocalyptic number.

1973694020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1973694020 is an abundant number, since it is smaller than the sum of its proper divisors (2186834044).

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

1973694020 is a wasteful number, since it uses less digits than its factorization.

1973694020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375499 (or 375497 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1973694020 is about 44426.2762337786. The cubic root of 1973694020 is about 1254.3727430576.

The spelling of 1973694020 in words is "one billion, nine hundred seventy-three million, six hundred ninety-four thousand, twenty".