403002412020 has 168 divisors, whose sum is σ = 1366483718376. Its totient is φ = 99200547072.

The previous prime is 403002412019. The next prime is 403002412037. The reversal of 403002412020 is 20214200304.

403002412020 is a `hidden beast` number, since 403 + 0 + 0 + 241 + 2 + 0 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 85724812944 + 317277599076 = 292788^2 + 563274^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 403002411984 and 403002412002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 873567 + ... + 1252646.

It is an arithmetic number, because the mean of its divisors is an integer number (8133831657).

Almost surely, 2^403002412020 is an apocalyptic number.

It is an amenable number.

403002412020 is an abundant number, since it is smaller than the sum of its proper divisors (963481306356).

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

403002412020 is a wasteful number, since it uses less digits than its factorization.

403002412020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126253 (or 2126236 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 403002412020 its reverse (20214200304), we get a palindrome (423216612324).

The spelling of 403002412020 in words is "four hundred three billion, two million, four hundred twelve thousand, twenty".