19920339410 has 16 divisors (see below), whose sum is σ = 36005397912. Its totient is φ = 7935072000.

The previous prime is 19920339409. The next prime is 19920339497. The reversal of 19920339410 is 1493302991.

It can be written as a sum of positive squares in 4 ways, for example, as 18351308089 + 1569031321 = 135467^2 + 39611^2 .

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, 4130441 + ... + 4135260.

Almost surely, 2^19920339410 is an apocalyptic number.

19920339410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19920339410 is a deficient number, since it is larger than the sum of its proper divisors (16085058502).

19920339410 is a wasteful number, since it uses less digits than its factorization.

19920339410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265949.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 19920339410 in words is "nineteen billion, nine hundred twenty million, three hundred thirty-nine thousand, four hundred ten".