20466035040 has 96 divisors (see below), whose sum is σ = 70328756736. Its totient is φ = 4961461760.

The previous prime is 20466035033. The next prime is 20466035069. The reversal of 20466035040 is 4053066402.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20466034989 and 20466035007.

It is a congruent number.

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, 1932792 + ... + 1943351.

It is an arithmetic number, because the mean of its divisors is an integer number (732591216).

Almost surely, 2^20466035040 is an apocalyptic number.

20466035040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20466035040 is an abundant number, since it is smaller than the sum of its proper divisors (49862721696).

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

20466035040 is a wasteful number, since it uses less digits than its factorization.

20466035040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876172 (or 3876164 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 20466035040 in words is "twenty billion, four hundred sixty-six million, thirty-five thousand, forty".