20373080 has 128 divisors (see below), whose sum is σ = 58665600. Its totient is φ = 6193152.

The previous prime is 20373061. The next prime is 20373103. The reversal of 20373080 is 8037302.

20373080 = 1703² + 1704² + ... + 1709².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105464 + ... + 105656.

It is an arithmetic number, because the mean of its divisors is an integer number (458325).

Almost surely, 2^20373080 is an apocalyptic number.

20373080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20373080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29332800).

20373080 is an abundant number, since it is smaller than the sum of its proper divisors (38292520).

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

20373080 is a wasteful number, since it uses less digits than its factorization.

20373080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20373080 is about 4513.6548383765. The cubic root of 20373080 is about 273.1191990662.

The spelling of 20373080 in words is "twenty million, three hundred seventy-three thousand, eighty".