20379476 has 24 divisors (see below), whose sum is σ = 40430880. Its totient is φ = 8910432.

The previous prime is 20379467. The next prime is 20379479. The reversal of 20379476 is 67497302.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20379479) 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, 9326 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (1684620).

Almost surely, 2^20379476 is an apocalyptic number.

20379476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20379476 is a deficient number, since it is larger than the sum of its proper divisors (20051404).

20379476 is a wasteful number, since it uses less digits than its factorization.

20379476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20663 (or 20661 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 20379476 is about 4514.3632995141. The cubic root of 20379476 is about 273.1477774259.

The spelling of 20379476 in words is "twenty million, three hundred seventy-nine thousand, four hundred seventy-six".