11542020 has 48 divisors (see below), whose sum is σ = 36935808. Its totient is φ = 2638080.

The previous prime is 11542007. The next prime is 11542043. The reversal of 11542020 is 2024511.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13321 + ... + 14160.

It is an arithmetic number, because the mean of its divisors is an integer number (769496).

Almost surely, 2^11542020 is an apocalyptic number.

11542020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11542020 is an abundant number, since it is smaller than the sum of its proper divisors (25393788).

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

11542020 is a wasteful number, since it uses less digits than its factorization.

11542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27500 (or 27498 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 11542020 is about 3397.3548534117. The cubic root of 11542020 is about 225.9924554351.

Adding to 11542020 its reverse (2024511), we get a palindrome (13566531).

It can be divided in two parts, 115420 and 20, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 11542020 in words is "eleven million, five hundred forty-two thousand, twenty".