153402020 has 48 divisors (see below), whose sum is σ = 328648320. Its totient is φ = 60135936.

The previous prime is 153402017. The next prime is 153402023. The reversal of 153402020 is 20204351.

It is an interprime number because it is at equal distance from previous prime (153402017) and next prime (153402023).

It is a self number, because there is not a number n which added to its sum of digits gives 153402020.

It is not an unprimeable number, because it can be changed into a prime (153402023) 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, 232451 + ... + 233109.

It is an arithmetic number, because the mean of its divisors is an integer number (6846840).

Almost surely, 2^153402020 is an apocalyptic number.

153402020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153402020 is an abundant number, since it is smaller than the sum of its proper divisors (175246300).

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

153402020 is a wasteful number, since it uses less digits than its factorization.

153402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 153402020 is about 12385.5569111768. The cubic root of 153402020 is about 535.3161668038.

Adding to 153402020 its reverse (20204351), we get a palindrome (173606371).

The spelling of 153402020 in words is "one hundred fifty-three million, four hundred two thousand, twenty".