402033051020 has 24 divisors (see below), whose sum is σ = 844282477584. Its totient is φ = 160810730816.

The previous prime is 402033050989. The next prime is 402033051029. The reversal of 402033051020 is 20150330204.

It is a happy number.

It is a super-2 number, since 2×402033051020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 402033050983 and 402033051001.

It is not an unprimeable number, because it can be changed into a prime (402033051029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720007 + ... + 1939713.

It is an arithmetic number, because the mean of its divisors is an integer number (35178436566).

Almost surely, 2^402033051020 is an apocalyptic number.

It is an amenable number.

402033051020 is an abundant number, since it is smaller than the sum of its proper divisors (442249426564).

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

402033051020 is a wasteful number, since it uses less digits than its factorization.

402033051020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311209 (or 311207 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 402033051020 its reverse (20150330204), we get a palindrome (422183381224).

The spelling of 402033051020 in words is "four hundred two billion, thirty-three million, fifty-one thousand, twenty".