20341880 has 32 divisors (see below), whose sum is σ = 49291200. Its totient is φ = 7510656.

The previous prime is 20341879. The next prime is 20341891. The reversal of 20341880 is 8814302.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 19040 + ... + 20079.

It is an arithmetic number, because the mean of its divisors is an integer number (1540350).

Almost surely, 2^20341880 is an apocalyptic number.

20341880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20341880 is an abundant number, since it is smaller than the sum of its proper divisors (28949320).

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

20341880 is a wasteful number, since it uses less digits than its factorization.

20341880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39143 (or 39139 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 20341880 is about 4510.1973349289. The cubic root of 20341880 is about 272.9797066141.

The spelling of 20341880 in words is "twenty million, three hundred forty-one thousand, eight hundred eighty".