11433432020 has 48 divisors (see below), whose sum is σ = 26372787840. Its totient is φ = 4144288896.

The previous prime is 11433431983. The next prime is 11433432029. The reversal of 11433432020 is 2023433411.

It is a super-2 number, since 2×11433432020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11433432029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645347 + ... + 662826.

It is an arithmetic number, because the mean of its divisors is an integer number (549433080).

Almost surely, 2^11433432020 is an apocalyptic number.

11433432020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11433432020 is an abundant number, since it is smaller than the sum of its proper divisors (14939355820).

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

11433432020 is a wasteful number, since it uses less digits than its factorization.

11433432020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308224 (or 1308222 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 11433432020 its reverse (2023433411), we get a palindrome (13456865431).

The spelling of 11433432020 in words is "eleven billion, four hundred thirty-three million, four hundred thirty-two thousand, twenty".