5401020 has 24 divisors (see below), whose sum is σ = 15123024. Its totient is φ = 1440256.

The previous prime is 5401013. The next prime is 5401027. The reversal of 5401020 is 201045.

It is an interprime number because it is at equal distance from previous prime (5401013) and next prime (5401027).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 5400987 and 5401005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401027) 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, 44949 + ... + 45068.

It is an arithmetic number, because the mean of its divisors is an integer number (630126).

Almost surely, 2^5401020 is an apocalyptic number.

It is an amenable number.

5401020 is an abundant number, since it is smaller than the sum of its proper divisors (9722004).

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

5401020 is a wasteful number, since it uses less digits than its factorization.

5401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90029 (or 90027 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 5401020 is about 2324.0094664179. The cubic root of 5401020 is about 175.4521098866.

Adding to 5401020 its reverse (201045), we get a palindrome (5602065).

The spelling of 5401020 in words is "five million, four hundred one thousand, twenty".