1976993020 has 12 divisors (see below), whose sum is σ = 4151685384. Its totient is φ = 790797200.

The previous prime is 1976992999. The next prime is 1976993023. The reversal of 1976993020 is 203996791.

It is a super-2 number, since 2×1976993020² = 7817002802257440800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1976993023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49424806 + ... + 49424845.

It is an arithmetic number, because the mean of its divisors is an integer number (345973782).

Almost surely, 2^1976993020 is an apocalyptic number.

1976993020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1976993020 is an abundant number, since it is smaller than the sum of its proper divisors (2174692364).

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

1976993020 is a wasteful number, since it uses less digits than its factorization.

1976993020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98849660 (or 98849658 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 1976993020 is about 44463.3896593591. The cubic root of 1976993020 is about 1255.0712424439.

The spelling of 1976993020 in words is "one billion, nine hundred seventy-six million, nine hundred ninety-three thousand, twenty".